3,362 Systems Administrator jobs in the United States

Linux Systems Administrator

Job Locations

US-MD-College Park | US-MD-Laurel

Requisition ID



Position Category

Information Technology

Clearance

Top Secret/SCI w/Poly

Responsibilities

This position is an integral member of the Peraton Labs Network Systems and Cyber Mission Sector team supporting a customer site in College Park and Laurel, MD. Primarily location is College Park with the option for 1-2 days a week in Laurel.

Responsibilities may include:

Implement, maintain, and enhance complex and diverse research infrastructure systems and their appropriate security posture
• Perform Linux and Microsoft Windows system administration tasks
• Windows and Linux server system administration
  • Integrating GOTS/COTS/open-source solutions
  • Virtualization technologies
  • Networking and TCP/IP protocols
  • Storage technologies
  • Remote access
• Install, configure, and troubleshoot IT/networking hardware and software in classified and unclassified spaces
• Activate network ports including patch network when needed
• Prepare and maintain images for Linux and Microsoft Windows operating systems
• Configure new systems and apply best practice security configuration on computers, servers, and network equipment
• Perform system and anti-virus tool updates regularly
• Install, configure and troubleshoot hardware, networking devices and software.
• Implement physical controls
• Physically setup, cable, and power computers in classified and unclassified spaces for new programs or new computer additions
• Execute approved procedures for sanitizing and releasing system components and media
• Maintain a working knowledge of system functions, security policies, technical security safeguards, and operational security measures
• Complete required trainings timely

Qualifications

Basic Qualifications:

• Three (3) years' experience required and a Bachelor's Degree from an accredited college or university in Computer Science or a related discipline. In lieu of a Bachelors' degree, four (4) years' additional experience is required
• Experience with Windows and/or Linux server system administration
• Experience delivering sections of IT and telecommunications systems and solutions
• Active TS SCI security clearance with a current polygraph is required

Preferred Qualifications:

• Strong communication skills required to work as part of an integrated team consisting of the customer, subcontractors, and other Peraton personnel
• Solid understanding of modern computer network operations and capability development processes
• Solid understanding of the basic principles of modern computer networking, including hardware, software, associated tools, protocols, and Internet architecture
• Experience establishing and maintaining good working relationships in all levels of the organization
• Experience with operational mission partners in the DoD
• Knowledge of Cloud technologies, such as OpenStack, Hadoop, and Cloudera
• Knowledge of Amazon Web Services platforms and solutions

Peraton offers enhanced benefits to employees working on this critical National Security program, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap and participation in an attractive bonus plan.

#MDPM

Peraton Overview

Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can't be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we're keeping people around the world safe and secure.

Target Salary Range

$104,000 - $166,000. This represents the typical salary range for this position based on experience and other factors.

EEO

EEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.

Linux Systems Administrator

Location: St. Louis, MO, US

Job ID: ATR 17232

Job Description

We are looking for a talented TS/SCI cleared Red Hat Data Center /

Systems Administrator in St. Louis, MO to join a team of IT

professional that are responsible for maintaining, securing, and

enhancing a R&D testbed network/environment across multiple security

domains. Our team is made up of cloud computing engineers, high

performance computing (HPC) specialists, network engineers and systems

administrators.

The environment is a state-of-the-art IT lab that includes

demonstration facilities, equipment and data services, high

performance computing, cloud services and expertise for advanced

GEOINT research and development. This environment provides NGA

scientists with computers, storage, and desktop IT systems and

software at locations across the country on four network domains.

The team’s objective is to keep the technology up and running, provide

innovative design, engineering, implementation, operations,

sustainment, and disposal of information technology (IT) services on

multiple networks and security domains, at multiple locations

worldwide, to support the NGA Geospatial-Intelligence (GEOINT)

mission.

Required skills:

• Proficiency and hands on experience with (not just familiarity)

RedHat or some other variance of Linux

• Must be able to troubleshoot users’ problems with RHEL 8

workstations and servers

• Must have basic understanding of Networks and be able to

troubleshoot basic Network issues

• Must have experience with deploying and configuring virtual

machines. VMWare, RedHat OpenShift and Kubernetes are a plus.

• Must be able to research findings identified by security scans and

patching systems.

• Must be able manage storage solutions; such as NetApp.

• Data Center experience:

• Must be comfortable

• Racking servers

• Cabling power, fiber optics and ethernet

• Opening up servers, reseating cards, replacing cards, adding

memory, etc.

• Experience with DevOps principles, Bash and Ansible scripting, and

GitLab is a plus

You must be able to work on client site, up to 35% telework will be

authorized once you have established yourself on the team

Active TS/SCI clearance and CI Poly is required (we can sponsor your

polygraph after joining if you don’t already have one)

Education/Experience:

• We have a strong preference for an Expert/Level 4 candidate but will

consider qualified candidates at any level. You must meet one of the

below combinations of education and RELEVANT experience to be

considered:

+---+---+

| Level 1 - Junior | - Master’s Degree + 0 Years Experience |

| | |

| | - Bachelor’s Degree + 2 Years Experience |

| | |

| | - Associates Degree + 4 Years Experience |

| | |

| | - High School Diploma/GED + 6 Years Experience |

+===+===+

| Level 2 - Mid | - PhD + 0 Years Experience |

| | |

| | - Master’s Degree + 2 Years Experience |

| | |

| | - Bachelor’s Degree + 4 Years Experience |

| | |

| | - Associates Degree + 6 Years Experience |

| | |

| | - High School Diploma/GED + 8 Years Experience |

+---+---+

| Level 3 - Senior | - PhD + 2 Years Experience |

| | |

| | - Master’s Degree + 4 Years Experience |

| | |

| | - Bachelor’s Degree + 6 Years Experience |

| | |

| | - Associates Degree + 8 Years Experience |

| | |

| | - High School Diploma/GED + 10Years Experience |

+---+---+

| Level 4 - Expert | - PhD + 4 Years Experience |

| | |

| | - Master’s Degree + 6 Years Experience |

| | |

| | - Bachelor’s Degree + 8 Years Experience |

| | |

| | - Associates Degree + 10 Years Experience |

| | |

| | - High School Diploma/GED + 12 Years Experience |

+---+---+

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About the job Linux Systems Administrator

Basic Qualifications

Education Requirements:

Bachelors degree in a specialized area or equivalent is required.

Clearance Requirements:

Department of Defense TS/SCI security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required.

Responsibilities for this Position

ROLE AND POSITION OBJECTIVES:

Relocation package available

As a Linux Systems Administrator for Cyber Systems, youll be a member of a cross functional team responsible for enterprise class systems, specialized Linux OS, cross domain solutions, boundary devices and customer service.

We encourage you to apply if you have any of these preferred skills or experiences: Red Hat Linux, system/server builds, advanced troubleshooting, cross domain, and detail orientated.

What sets you apart:

• Red Hat LINUX command line administration
• Command level troubleshooting of OS and associated hardware/software
• Apply Security Technical Implementation Guides (STIGs) and mitigation of vulnerabilities as directed by IA based on scan findings and applicable DoD direction
• Manage cross domain enterprise level solutions
• Re-imaging workstations, servers, and databases (both physical and virtual)
• Current and Active TS/SCI Clearance - willing to complete Poly as directed by customer

Our Commitment to You:

• An exciting career path with opportunities for continuous learning and development
• Research oriented work, alongside award winning teams developing practical solutions for our nations security
• Competitive benefits, including 401k matching, flex time off, paid parental leave, healthcare benefits, health & wellness programs, employee resource and social groups, and more
• See more at

Workplace Options:

This position is fully on-site at the customer location.

Posting Information
Posting Number
PG EP

Internal Recruitment
No

Working Title
Linux Systems Administrator

Anticipated Hiring Range
$85,000 - $90,000

Work Schedule
Monday - Friday, 8 a.m. - 5 p.m. and as needed after hours

Job Location
Raleigh, NC

Department
Electrical and Computer Engineering

About the Department
The Electrical and Computer Engineering (ECE) Department is one of the top 10 suppliers of ECE talent at the BS level in the US, and ranks in the top ECE Departments in total annual research expenditures (ASEE). The department is located in state-of-the-art facilities on NC State's Centennial Campus. Its undergraduate EE and CpE degree programs have been ranked in the Top 20 and Top 30, respectively, by US news and World Report.
The University is located in the technology-rich Research Triangle metropolitan area, and ECE faculty members collaborate routinely with local industry. The Research Triangle area is frequently recognized in nationwide surveys as one of the best places to live in the U.S. We enjoy outstanding public schools, affordable housing, and great weather, all in the proximity of the mountains and the seashore.
Candidates can obtain information about the department and its research programs, as well as more details about the positions advertised at .
NC State promotes an integrated approach to problem solving that transforms lives and provides leadership for social, economic, and technological development across North Carolina and around the world. NC State's land grant mission of teaching, research, and service is dedicated to the service of North Carolina and its people. Applicants are encouraged to review the institution's mission, vision, and strategic plan, and consider how their background, interest, and experience would enable them to support the university.

You Belong Here - NC State University offers a multitude of career prospects that align with the university's Employee Value Proposition . NC State University has prepared a Candidate Guide which contains valuable information on our childcare partnerships, tuition waiver program, relocation services, wellness and recreation memberships, employer subsidized health coverage, and much more.
Discover the possibilities at NC State University and the Department of Electrical and Computer Engineering for your professional and personal growth.

Wolfpack Perks and Benefits
As a Pack member, you belong here, and can enjoy exclusive perks designed to enhance your personal and professional well-being.
What we offer:

• Medical, Dental, and Vision
  
• Flexible Spending Account
• Retirement Programs
• Disability Plans
• Life Insurance
• Accident Plan
• Paid Time Off and Other Leave Programs
• 12 Holidays Each Year
• Tuition and Academic Assistance
  
• And so much more!
  
  

Attain Work-life balance with our Childcare benefits, Wellness & Recreation Membership, and Wellness Programs that aim to build a thriving wolfpack community.

Disclaimer: Perks and Benefit eligibility is based on Part-Time or Full-Time Employment status. Eligibility and Employer Sponsored Plans can be found within each of the links offered.

Essential Job Duties
We are seeking a dedicated and passionate Linux Systems Administrator to help support the Department of Electrical and Computer Engineering's academic courses and cutting-edge research initiatives. This role is ideal for someone with deep expertise in Linux server administration and software installation, who thrives in a collaborative research computing environment.

As part of our team, you'll play a vital role in advancing research and innovation through the creation of a robust and efficient IT infrastructure. We offer the opportunity to work on varied and meaningful projects, providing excellent benefits, a supportive work culture, and ongoing opportunities for professional growth and development.

Job Responsibilities include but are not limited to:

• Manage and maintain approximately 100 Dell / Lenovo / HP servers running Red Hat Enterprise Linux and Ubuntu Linux in our server room, ensuring their stability, security, and performance.
• Install, configure, and maintain commercial and open source software on our NFS network file shares, ensuring accessibility for users via our Module implementation.
• Utilize container technologies such as Docker and Apptainer to provide alternative methods of software deployment to address research and course needs.
• Work with the campus Puppet and Ansible management systems to automate server configuration and deployment tasks, as well as baseline settings to meet security standards such as CIS or NIST.
• Educate users on the usage of conda, PIP, and Jupyter notebooks to manage Python environments and libraries for our growing AI/ML needs within our courses and research.
• Provide technical support to end-users regarding Linux-related issues, troubleshooting hardware and software problems, and resolving technical incidents in a timely manner.
• Create and maintain various new departmental Linux services - for example, a slurm cluster, JuptyerHub pilot, and Open OnDemand based remote access farms - to keep ECE's research capabilities relevant.
• Collaborate with ECE researchers and students to provide support for their usage of the campus High-Performance Computing (HPC) service; install ECE specific software within the cluster when appropriate. Coordinate this effort with the reorganized campus Office of Research Computing to streamline ECE usage of central resources.
• Assist Linux Desktop Support position with the support of Linux workstations as needed.

Other Responsibilities

• Other duties as assigned

Qualifications
Minimum Education and Experience

• Bachelor's degree from an appropriately accredited institution and two years of experience in operations analysis and design, systems programming or closely related area OR an equivalent combination of education, training and relevant experience.

Other Required Qualifications

• Proven experience as a Linux Systems Administrator, managing and maintaining Linux servers (physical and VMs) within an academic institution or national computing lab.
  
• Strong knowledge of Red Hat Enterprise Linux and Ubuntu Linux operating systems.
• Proficiency installing software through dnf/apt, compiling, and using application container technologies such as Docker or Singularity/Apptainer.
• Experience with configuration management tools like Puppet and Ansible.
• Strong understanding of Linux command-line tools as well as programming and version control concepts; in particular shell script, python and git.
• Ability to support the use of conda, PIP, and Jupyter notebooks.
• Detailed understanding of remote access, clustering, backup, auditing, and virtualization technologies within a Linux environment.
• Understanding of fundamental networking concepts including DHCP/DNS, network file systems and client-based firewalls.
• General hardware troubleshooting and repair skills.
• Experience supporting the installation, configuration, and monitoring of Nvidia GPU cards and required drivers and software within Linux.
• Experience supporting researchers in utilizing High-Performance Computing (HPC).
• Strong problem-solving skills and the ability to quickly learn new complex systems.
• Excellent communication and teamwork skills to collaborate with researchers and other team members effectively.

Preferred Qualifications

• Previous support of Open OnDemand service.
• Previous support of Slurm based cluster.
• Previous support of JupyterHub service.
• Experience with Modules or Lmod systems.
• Experience configuring Linux systems to meet security baselines such as CIS or NIST.
• Certifications such as Red Hat Certified Engineer (RHCE) or CompTIA Linux+ are a plus.
• Master's degree in Computer Science, Computer Engineering, or closely related degree from an appropriately accredited institution

Required License(s) or Certification(s)
N/A

Valid NC Driver's License required
No

Commercial Driver's License required
No

Recruitment Dates and Special Instructions
Job Open Date
12/09/2024

Anticipated Close Date
Open until filled

Special Instructions to Applicants
Applicants should submit a resume/cv, cover letter, and names and complete contact information of at least three (3) professional references, including email addresses and phone numbers.

Position Details
Position Number


Position Type
Exempt Professional Staff

Full Time Equivalent (FTE) (1.0 = 40 hours/week)
1.00

Appointment
12 Month Recurring

Mandatory Designation - Adverse Weather
Non Mandatory - Adverse Weather

Mandatory Designation - Emergency Events
Non Mandatory - Emergency Event

Department ID
- Electrical & Computer Engineering

EEO
NC State University is an equal opportunity employer. All qualified applicants will receive equal opportunities for employment without regard to age, color, disability, gender identity, genetic information, national origin, race, religion, sex (including pregnancy), sexual orientation and veteran status. The University encourages all qualified applicants, including protected veterans and individuals with disabilities, to apply. Individuals with disabilities requiring disability-related accommodations in the application and interview process are welcome to contact to speak with a representative of the Office of Equal Opportunity.
If you have general questions about the application process, you may contact Human Resources at or .

Final candidates are subject to criminal & sex offender background checks. Some vacancies also require credit or motor vehicle checks. Degree(s) must be obtained prior to start date in order to meet qualifications and receive credit.

NC State University participates in E-Verify. Federal law requires all employers to verify the identity and employment eligibility of all persons hired to work in the United States.

In a world of possibilities, pursue one with endless opportunities. Imagine Next!

When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Imagine a career working with exceptional people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We've got what you're looking for.

Job Description:

Parsons is seeking a mid-level Linux Systems Administrator . The candidate will support both Linux based workstations and servers in both physical and virtual environments. The candidate will perform daily systems checks and identify and resolve issues as they arise. The candidate must be able to understand and support standard network designs, configurations, and systems maintenance. Responsibilities also include software and hardware system installations, and troubleshooting of user reported issues. The candidate will be expected to understand industry standard deployments of typical open source and commercial software technologies. The ability to think critically, solve problems, and provide solutions is a must. At times, the candidate will be expected to perform their duties under minimal supervision.

Roles and Responsibilities:

• New user on-boarding and workstation imaging and configuration

• Diagnose and resolve remote user and system infrastructure issues

• Infrastructure monitoring and optimization

• Plan and coordinate system outages and upgrades

• Network monitoring and maintenance

• Install server and network equipment in a datacenter environment

• Document infrastructure architecture changes

• Resolve user requests and issues reported to the HelpDesk

• On rare occasions, support after hours system upgrades

Required Skills:

• Must be a US Citizen

• Candidate must have a current TS/SCI clearance with Poly

• Bachelor's degree in a technology related discipline or equivalent experience may be accepted in place of a degree

• 3+ years of experience with Linux operating systems, including installations, maintenance, and troubleshooting

• Experience in maintaining virtual environments and deploying Linux services

• Understanding of basic networking technologies (TCP/IP, UDP, Firewall)

Desired Skills:

• Familiar with virtualization and Docker technologies

• Experience with automation technologies (Salt, Ansible, Puppet)

• Experience with Atlassian software (Confluence, JIRA)

• Experience with a wide variety of open-source software and utilities

• Experience managing FreeIPA or LDAP based systems

• Background in Network Security, Intrusion Detection, and server monitoring

• Familiar with server and networking equipment rack installations

Security Clearance Requirement:

An active Top Secret SCI w/Polygraph security clearance is required for this position?

This position is part of our Federal Solutions team.

The Federal Solutions segment delivers resources to our US government customers that ensure the success of missions around the globe. Our intelligent employees drive the state of the art as they provide services and solutions in the areas of defense, security, intelligence, infrastructure, and environmental. We promote a culture of excellence and close-knit teams that take pride in delivering, protecting, and sustaining our nation's most critical assets, from Earth to cyberspace. Throughout the company, our people are anticipating what's next to deliver the solutions our customers need now.

Salary Range: $144,800.00 - $260,600.00

Parsons is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, veteran status or any other protected status.

We truly invest and care about our employee's wellbeing and provide endless growth opportunities as the sky is the limit, so aim for the stars! Imagine next and join the Parsons quest-APPLY TODAY!

Parsons is aware of fraudulent recruitment practices. To learn more about recruitment fraud and how to report it, please refer to .

About Us

Parsons is a digitally enabled solutions provider focused on the defense, security, and infrastructure markets. With nearly 75 years of experience, Parsons is uniquely qualified to deliver cyber/converged security, technology-based intellectual property, and other innovative services to federal, regional, and local government agencies, as well as to private industrial customers worldwide.

Parsons is an equal opportunity, drug-free employer committed to diversity in the workplace. Minority/Female/Disabled/Protected Veteran/LGBTQ+.

For more about Parsons, visit parsons.com and follow us on Facebook, Twitter, LinkedIn, and YouTube.

Linux Systems Administrator

Job Locations

US-VA-Herndon

Requisition ID



Position Category

Information Technology

Clearance

Top Secret/SCI w/Poly

Responsibilities

We are seeking an experienced Linux DevOps Systems Administrator to join our SITE III JIOC contract team. You will play a key role in maintaining and advancing a mission-critical suite of applications supporting Intelligence Surveillance and Reconnaissance (ISR) and intelligence operations. These systems are integral to intelligence analysts, operations, and collection managers across the Combatant Commands, ensuring our nation's defense intelligence apparatus is robust, reliable, and always ready.

What You'll Do

As a DevOps Systems Administrator, you'll be instrumental in designing, developing, and managing CI/CD pipelines that keep critical systems running smoothly. You will troubleshoot, integrate, and optimize solutions that support ISR and joint intelligence operations across multiple agencies. Your work will have a direct impact on mission success.

Key Responsibilities:

CI/CD Pipeline Development: Create and optimize build and deployment pipelines, integrating tools and automating processes.
• Scripting & Automation: Write and modify Jenkins-based groovy scripts, update CloudFormation scripts, and automate workflows for deployment and variance corrections.
• Issue Resolution: Troubleshoot pipeline issues in AWS environments (Linux EC2, RDS, CloudFormation, ElasticSearch), debug integration problems, and resolve connectivity issues between API servers and databases.
• Tool Integration: Integrate DevOps tools such as SonarQube, Fortify, Jenkins, Robot Framework/Selenium, and Artifactory into the pipeline.
• Collaboration & Support: Partner with development teams to onboard new microservices, ensuring smooth deployment and troubleshooting as needed.
• Monitoring & Maintenance: Monitor AWS services, develop monitoring scripts, and ensure the architecture remains resilient and secure.

What You'll Bring

• Strong experience in CI/CD pipeline development and troubleshooting, particularly in AWS environments.
• Proficiency in writing scripts using Jenkins and CloudFormation.
• A knack for debugging integration issues and resolving connectivity challenges.
• Experience with DevOps tools like SonarQube, Fortify, Robot Framework/Selenium, and Artifactory.
• Familiarity with automating installations of COTS products within a complex architecture.

Why Peraton?

At Peraton, we don't just offer jobs-we offer careers. We believe in the power of innovation, teamwork, and making an impact. If you're looking for an exciting role where you can grow, thrive, and be part of something bigger, this is the opportunity for you.

Apply today and help us tackle the most challenging problems facing national security.

#SpaceIntel

Qualifications

Required Qualifications:

• TS/SCI with polygraph clearance adjudication or ability to obtain SCI and pass a poly
• A Bachelor's degree relevant to the position with 8 or more years of relevant experience OR a Master's degree relevant to the position with 6 or more years of experience. An additional 4 years of experience may be considered in lieu of degree.
• A minimum 5 years of experience with systems administration, including Linux or CentOS
• Experience maintaining applications built on a PostgreSQL or Oracle database.
• Experience writing scripts to monitor system services, resources, data mine logs, etc.
• Writing SQL and PL/SQL to generate system data reports, modify data as necessary, etc.
• Experience with Keytool and OpenSSL
• Familiarity w/troubleshooting Java & Oracle applications
• XML Proficiency
• DoD 8570 Compliant holding current IAT level II baseline certification (Security+ CE, GICSP, SSCP, etc.)
• Experience maintaining systems in cloud environments
• Experience working with Firewalls and AWS Security Groups

Desired Qualifications:

• Linux+ certification
• Current RHCSA/RHCE certification
• Current CI polygraph
• Microsoft MCSA
• VMware Certified Professional
• Knowledge of SQL Servers
• Ability to work in a team environment
• Ability to anticipate problems and take decisive action

Peraton offers enhanced benefits to employees working on this critical National Security program, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap and participation in an attractive bonus plan.

Peraton Overview

Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can't be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we're keeping people around the world safe and secure.

Target Salary Range

$135,000 - $216,000. This represents the typical salary range for this position based on experience and other factors.

EEO

EEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.

Barbaricum is a rapidly growing government contractor providing leading-edge support to federal customers, with a particular focus on Defense and National Security mission sets. We leverage more than 17 years of support to stakeholders across the federal government, with established and growing capabilities across Intelligence, Analytics, Engineering, Mission Support, and Communications disciplines. Founded in 2008, our mission is to transform the way our customers approach constantly changing and complex problem sets by bringing to bear the latest in technology and the highest caliber of talent.

Headquartered in Washington, DC's historic Dupont Circle neighborhood, Barbaricum also has a corporate presence in Tampa, FL, Bedford, IN, and Dayton, OH, with team members across the United States and around the world. As a leader in our space, we partner with firms in the private sector, academic institutions, and industry associations with a goal of continually building our expertise and capabilities for the benefit of our employees and the customers we support. Through all of this, we have built a vibrant corporate culture diverse in expertise and perspectives with a focus on collaboration and innovation. Our teams are at the frontier of the Nation's most complex and rewarding challenges. Join our team.

Barbaricum is seeking a Linux Systems Administrator to manage and maintain mission-critical systems for TRADOC G2 operations at Fort Eustis, VA. The selected candidate will provide technical expertise in maintaining Linux-based environments in secure settings.

Responsibilities:

• Manage Linux-based systems, ensuring stability, security, and compliance.
• Perform software updates, system hardening, and patch management.
• Troubleshoot hardware and software issues in secure environments.
• Develop scripts to automate routine administrative tasks.
• Document system configurations and maintenance procedures.

Qualifications:

• Active DoD Top Secret/SCI clearance required.
• Experience with Red Hat Enterprise Linux (RHEL) or similar distributions.
• Proficiency in scripting languages such as Bash, Python, or Perl.
• Familiarity with security compliance, including DISA STIGs.

EEO Commitment

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law.

Corvid Technologies runs a supercomputer with an environment built on both hardware and free, opensource virtualization and containerization, turning over up to 50TB of new data on a daily basis, to solve engineering problems other companies fail to solve. Our numerical solvers are developed in-house by our engineers and developers, providing customers with customized solutions to a variety of difficult problems. We are seeking a Sr. Linux specialist of the same caliber to join our technical team and support our command-line only infrastructure. Our ideal candidate can work without depending on Google, external customer support, paid support subscriptions, 3rd party paid apps, or needing GUI interface and Windows servers to manage systems.

What you'll do:

• Install, configure, and troubleshoot RHEL 7/8 operating system issues on air-gapped networks
• Frequent use and understanding of man pages
• Debug hardware and software problems on our Linux infrastructure
• Write custom scripts to automate system tasks and troubleshoot server or network issues
• Improve skillset and gain new knowledge

Who we want:

• An individual with strong attention to detail and consistent work (all systems are configured the same, any changes are applied to all the systems at once)
• Ability to problem-solve with minimal guidance and supervision
• Strong understanding of EL 7/8 features, built-in commands, tools, and configuration files
• Ability to thrive in a high-paced environment (Corvid has zero downtime and an external customer downtime limit of 8hrs per customer contract)
• Strong scripting background in languages such as Python or Bash
• Excellent research skills with a strong focus on testing implementations before executing in production

Requirements:

• Bachelor's degree in a technical field (mathematics, engineering, computer sciences, physics, etc.)
• Proficiency test demonstrating command line capabilities without internet resources, external guidance, and limited peripherals
• U.S. Citizen & ability to obtain and maintain a Security Clearance
• Excellent sense of humor

Preferences:

• Experience with scientific and/or engineering code development
• Configuration management and automation (e.g. Ansible, Salt, Puppet, CFEngine, Chef)
• Broad understanding of network technologies and security
• Experience with Git version control
• Experience with RHEL derivatives like CentOS, specifically EL 7 and 8.
• Active security clearance

Why Corvid:

Founded in 2004, we are a group of over 300 engineers and scientists, about 3/4 with master' degrees or Ph.D.'s, that provide end-to-end solutions including concept development, design and optimization, prototype build, test and manufacture. We leverage the predictive capability of our high-fidelity computational physics solvers, indigenous massively parallel supercomputer system, prototyping plant, and ballistics and mechanics lab to investigate a variety of high-rate physics phenomena.

The results are complex engineering solutions for a variety of applications; aircraft, ballistic missile defense, cybersecurity, motorsports, armor development, biological systems, and missile and warhead design and development. These results are achieved with optimal design and cost efficiency due to the predictive capability of Corvid's tools and our in-house, end-to-end integrated approach, which differentiates Corvid from the market.

At Corvid, we value our team and offer our employees a broad range of benefits. Our benefits include:

• Blue Cross Blue Shield insurance including Medical, Dental and Vision
• 401k match up to 6%
• Three weeks PTO; increasing with tenure
• Paid gym membership
• Flexible schedules
• Continued education and training opportunities
• Uncapped incentive opportunities
• Recreational area and lounge stocked with snacks and coffee
• Frisbee golf tournaments, and quarterly barbeques
• Bonfire and grill areas available for 24/7 use with kayaks and paddleboards to surf the lake at our headquarter location
• Company kitchen, balconies (hammocks are available), and onsite showers

Linux Systems Administrator

JHNA is currently seeking a talented Linux Systems Administrator to support our NAVAIR customer at NAS Pax River.

Roles/Responsibilities:

• Installing, configuring and managing the Linux operating systems and related toolsets
• Gathering requirements, developing and conducting design reviews
• Maintaining servers to be compliant per NAVAIR and DISA policies
• Functional knowledge of backup and disaster recovery technologies
• Strong understanding of system security principles and experience executing hardening techniques
• Documentation – updating and maintaining documentation and knowledge base, including system descriptions, procedures, events and processes
• Building new infrastructure servers
• Maintaining, administering and patching systems for optimum performance and security
• Migrating or updating systems
• Participating in weekly routine maintenance tasks
• Responding to system failures promptly to bring applications back online
• Installing and troubleshooting common industry COTS and GOTS applications
• Performing Continuous Monitoring actions for systems and infrastructure including scanning, DoD STIG application and other Cyber compliancy actions
• Work in an Agile scrum methodology to track and report on tasking
• A background or working knowledge of scripting and automation tools

Qualifications Required:

• Candidate must have a current Secret Clearance. Must have ability to obtain a Top Secret, Interim Top Secret required to start.
• Five (5) years' or more of hands-on experience working with UNIX/Linux and Windows.
• Experience in DoD Information Assurance/Cyber policy and procedures to include hardening of systems, implementing Security Technical Implementation Guides (STIGs) and scanning.
• Experience with Linux Server to include the build, maintenance, and troubleshooting, as well as addressing, service requests, routine sever maintenance (firmware, failures, hardening, etc.), and server consolidation.
• Experience with UNIX/Linux, Red Hat, CentOS (Linux).
• DoD 8140 & 5239 compliant (Security + certified and OS certificate/certification) (formerly 8570).
• Working knowledge of supporting software development.
• Critical thinking skills and the ability to "think-outside-the-box" to solve complex technical issues is essential.

Desired Qualifications:

• Familiarity with containerization concepts and tools
• Understanding of container orchestration and management (Kubernetes, Docker Swarm ).
• Experience with CI/CD pipelines for containerized applications.
• Experience with Ansible