2,071 Systems Administration jobs in the United States

About the job Systems Administration
Top Secret Clearance Jobs is dedicated to helping those with the most exclusive security clearance find their next career opportunity and get interviews within 48 hours.

Job Category: Information Technology

Time Type: Full time

Minimum Clearance Required to Start: TS/SCI with Polygraph

Employee Type: Regular

Percentage of Travel Required: Up to 10%

Type of Travel: Local

* * *

CACI is seeking a Systems Administrator to support various programs. This will be a onsite role in a secured space. If you are seeking a role that will allow your skills to impact a variety of exciting programs this is the role for you.

Responsibilities

• Image, configure, and deploy physical and virtual desktops; troubleshoot and repair hardware including desktops, laptops, zero clients, monitors, and docking stations; manage OS, BIOS, disk and data encryption.
• Install and troubleshoot end user apps and certificates.
• Repair and restore data files, decrypt inaccessible files, migrate data for projects, apply and troubleshoot permissions.
• Properly document actions in trouble tickets and meet all SLAs.
• Patch network ports, trace lines, install network switches.
• Configure and maintain UPS devices and batteries, troubleshoot failure, coordinate vendor visits, plan and coordinate downtime with customers.
• Install and configure VOIP phones and voicemail, troubleshoot phone issues.
• Configure print, scan, and fax features on multifunction devices, coordinate multi-step replacements with vendor, troubleshoot communication issues.
• Plan for user moves, including connectivity, computers, and phones.
• Maintain and troubleshoot local security/badging systems.
• Prepare obsolete assets for disposal.
• Assist other IT teams as needed.
• Support unclassified and classified systems

• Requires bachelor's degree or equivalent and at least five years of relevant experience.
• Must be proficient with Windows desktop operating systems, as well as Dell hardware; proficient with Microsoft Outlook and have a solid understanding of network communications.
• Must have excellent written and verbal communication as well as customer service skills; ability to work independently and with minimal supervision.
• Must have excellent time management skills.
• Minimum TS/ Full Scope Poly clearance
• Possess Security Plus certification

• Linux training/knowledge

• We've been named a Best Place to Work by the Washington Post.
• Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives.
• We offer competitive benefits and learning and development opportunities.
• We are mission-oriented and ever vigilant in aligning our solutions with the nation's highest priorities.
• For over 60 years, the principles of CACI's unique, character-based culture have been the driving force behind our success.

• Experience level: Mid-senior
• Experience required: 5 Years
• Education level: Bachelors degree
• Job function: Information
• Technology Industry: Government Administration
• Pay rate : $57 per hour

• Experience Required:
  • Five years experience working on comparable projects.
  • Previous experience working on government projects.
• Education Required:
  • Requires a four (4) year degree from an accredited college or university with a major in computer information systems or a related field, and two (2) years of computer administration experience in a computer environment for a large (1,000+ employee) workforce;
  • OR a combination of education and experience which includes a minimum of two (2) years of computer administration experience in a computer environment for a large (1,000+ employee) workforce.
• Developing, reviewing, interpreting, and proofreading comprehensive, analytical, statistical, technical, and administrative reports, documents, and manuals.
• The use of system testing applications to identify performance, data integrity, communication and functionality problems, and ensure the systems are corrected accordingly.
• Developing logical conclusions and implementing practical solutions to highly complex security, networking, and systems and user management.
• Analyzing user needs to design appropriate system modifications and infrastructure to meet identified requirements.
• Provides expert level management of Cisco, Hewlett-Packard, and Mellanox hardware and configuration solutions.
• Provides expert level knowledge, management, architecture, design, and engineering of network hardware and software.
• Maintain digital backups for the Storage Area Network (SAN) production server.
• Maintain and upgrade domain and file servers as needed.
• Maintain SAN, both updates and troubleshooting.
• Archive and Restore case files to and from the tape library as needed.
• Set up new domain users and maintain Active Directory.
• Configure and setup forensic workstations and other hardware.
• Provide support as needed for Servers, SAN, Lab Network, and client workstations.
• Work with multiple workgroups/agencies to assist with network issues and upgrades within the DFL.
• Track expirations, maintain, and update multiple software, dongles, and user licenses.
• Install and configure hardware and software to DPS and DFL standards.
• Maintain updates for Antivirus Software.
• Work with Certified Forensic Computer Examiners (CFCE) to resolve hardware issues, research remediation for hardware/software issues, and assist with purchasing hardware.
• Plan, initiate, and manage highly technical projects related to networks, information security, and cloud configuration and environment design.
• Design and implement complex network architecture and systems.
• Complete complex system and networking documentation and network mapping.
• Ability to work independently to accomplish the DFL mission.
• Strong communication skills, both written and verbal.
• Ability to testify in court proceedings to the integrity of the server and its data.

• Ability to work a flexible schedule, to include nights/weekends dependent upon the needs of the DFL.
• This is an onsite position, and remote work is not authorized.
• The working location is in the vicinity of Greenway Rd and the I-17 in Phoenix.

• Linux Systems Upgrades
• VMWare ESXi host upgrades
• Updated Systems Documentation and Inventory
• Operational duties as assigned

• Experience in deploying Red hat Linux operating system in physical, virtual, and public cloud environments.
• Managing different Red hat Linux version (6/7/8/9) running in VMware environment
• Managing users and groups using SSSD by integrating with Active Directory (AD) environment.
• Managing user authentication through Trusted CA certificates.
• Securing customer environment through regular Linux patching cycles.
• Installing and updating packages through yum and dnf from Redhat repositories.
• Installing various security related packages, Backup and monitoring agent on Red hat servers.
• Analyzing and remediating Linux vulnerabilities based on criticality and exploitability.
• Installing and configuring NFS, Samba, and NAS storage as per requirement.
• Managing file systems using Logical Volume Manager (LVM).
• Installing and managing high availability Red Hat Cluster environments.
• Excellent problem-solving and troubleshooting skills.
• Strong communication and collaboration skills.

• Knowledge in automating regular tasks through Ansible playbooks.
• Knowledge in cloud infrastructure, preferably Azure and AWS
• Knowledge in VMware virtualization environments.
• Good understanding in Networking concepts, Database and Backup technologies.
• Git Version Control:
  Proficient in Git command-line interface and Git workflow
  Understanding of Git repository management, branching, and merging
• Scripting:
  Proficient in scripting languages such as Bash, Python, or Perl
• Docker:
  Understanding of Docker containerization and orchestration and experience with Docker image creation, deployment, and management
  Knowledge of Docker networking, volumes, and storage

• Generally, the dress code is business casual. However, there will be times when variations will be authorized due to the nature of the work performed.

About the job Systems Administration
Top Secret Clearance Jobs is dedicated to helping those with the most exclusive security clearance find their next career opportunity and get interviews within 48 hours.

Job Category: Information Technology

Time Type: Full time

Minimum Clearance Required to Start: TS/SCI with Polygraph

Employee Type: Regular

Percentage of Travel Required: Up to 10%

Type of Travel: Local

* * *

CACI is seeking a Systems Administrator to support various programs. This will be a onsite role in a secured space. If you are seeking a role that will allow your skills to impact a variety of exciting programs this is the role for you.

Responsibilities

• Image, configure, and deploy physical and virtual desktops; troubleshoot and repair hardware including desktops, laptops, zero clients, monitors, and docking stations; manage OS, BIOS, disk and data encryption.
• Install and troubleshoot end user apps and certificates.
• Repair and restore data files, decrypt inaccessible files, migrate data for projects, apply and troubleshoot permissions.
• Properly document actions in trouble tickets and meet all SLAs.
• Patch network ports, trace lines, install network switches.
• Configure and maintain UPS devices and batteries, troubleshoot failure, coordinate vendor visits, plan and coordinate downtime with customers.
• Install and configure VOIP phones and voicemail, troubleshoot phone issues.
• Configure print, scan, and fax features on multifunction devices, coordinate multi-step replacements with vendor, troubleshoot communication issues.
• Plan for user moves, including connectivity, computers, and phones.
• Maintain and troubleshoot local security/badging systems.
• Prepare obsolete assets for disposal.
• Assist other IT teams as needed.
• Support unclassified and classified systems

• Requires bachelor's degree or equivalent and at least five years of relevant experience.
• Must be proficient with Windows desktop operating systems, as well as Dell hardware; proficient with Microsoft Outlook and have a solid understanding of network communications.
• Must have excellent written and verbal communication as well as customer service skills; ability to work independently and with minimal supervision.
• Must have excellent time management skills.
• Minimum TS/ Full Scope Poly clearance
• Possess Security Plus certification

• Linux training/knowledge

• We've been named a Best Place to Work by the Washington Post.
• Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives.
• We offer competitive benefits and learning and development opportunities.
• We are mission-oriented and ever vigilant in aligning our solutions with the nation's highest priorities.
• For over 60 years, the principles of CACI's unique, character-based culture have been the driving force behind our success.

• Linux Systems Upgrades
• VMWare ESXi host upgrades
• Updated Systems Documentation and Inventory
• Operational duties as assigned

• Experience in deploying Red hat Linux operating system in physical, virtual, and public cloud environments.
• Managing different Red hat Linux version (6/7/8/9) running in VMware environment
• Managing users and groups using SSSD by integrating with Active Directory (AD) environment.
• Managing user authentication through Trusted CA certificates.
• Securing customer environment through regular Linux patching cycles.
• Installing and updating packages through yum and dnf from Redhat repositories.
• Installing various security related packages, Backup and monitoring agent on Red hat servers.
• Analyzing and remediating Linux vulnerabilities based on criticality and exploitability.
• Installing and configuring NFS, Samba, and NAS storage as per requirement.
• Managing file systems using Logical Volume Manager (LVM).
• Installing and managing high availability Red Hat Cluster environments.
• Excellent problem-solving and troubleshooting skills.
• Strong communication and collaboration skills.

• Knowledge in automating regular tasks through Ansible playbooks.
• Knowledge in cloud infrastructure, preferably Azure and AWS
• Knowledge in VMware virtualization environments.
• Good understanding in Networking concepts, Database and Backup technologies.
• Git Version Control:
  Proficient in Git command-line interface and Git workflow
  Understanding of Git repository management, branching, and merging
• Scripting:
  Proficient in scripting languages such as Bash, Python, or Perl
• Docker:
  Understanding of Docker containerization and orchestration and experience with Docker image creation, deployment, and management
  Knowledge of Docker networking, volumes, and storage

• Generally, the dress code is business casual. However, there will be times when variations will be authorized due to the nature of the work performed.

• Experience level: Mid-senior
• Experience required: 5 Years
• Education level: Bachelors degree
• Job function: Information
• Technology Industry: Government Administration
• Pay rate : $57 per hour

• Experience Required:
  • Five years experience working on comparable projects.
  • Previous experience working on government projects.
• Education Required:
  • Requires a four (4) year degree from an accredited college or university with a major in computer information systems or a related field, and two (2) years of computer administration experience in a computer environment for a large (1,000+ employee) workforce;
  • OR a combination of education and experience which includes a minimum of two (2) years of computer administration experience in a computer environment for a large (1,000+ employee) workforce.
• Developing, reviewing, interpreting, and proofreading comprehensive, analytical, statistical, technical, and administrative reports, documents, and manuals.
• The use of system testing applications to identify performance, data integrity, communication and functionality problems, and ensure the systems are corrected accordingly.
• Developing logical conclusions and implementing practical solutions to highly complex security, networking, and systems and user management.
• Analyzing user needs to design appropriate system modifications and infrastructure to meet identified requirements.
• Provides expert level management of Cisco, Hewlett-Packard, and Mellanox hardware and configuration solutions.
• Provides expert level knowledge, management, architecture, design, and engineering of network hardware and software.
• Maintain digital backups for the Storage Area Network (SAN) production server.
• Maintain and upgrade domain and file servers as needed.
• Maintain SAN, both updates and troubleshooting.
• Archive and Restore case files to and from the tape library as needed.
• Set up new domain users and maintain Active Directory.
• Configure and setup forensic workstations and other hardware.
• Provide support as needed for Servers, SAN, Lab Network, and client workstations.
• Work with multiple workgroups/agencies to assist with network issues and upgrades within the DFL.
• Track expirations, maintain, and update multiple software, dongles, and user licenses.
• Install and configure hardware and software to DPS and DFL standards.
• Maintain updates for Antivirus Software.
• Work with Certified Forensic Computer Examiners (CFCE) to resolve hardware issues, research remediation for hardware/software issues, and assist with purchasing hardware.
• Plan, initiate, and manage highly technical projects related to networks, information security, and cloud configuration and environment design.
• Design and implement complex network architecture and systems.
• Complete complex system and networking documentation and network mapping.
• Ability to work independently to accomplish the DFL mission.
• Strong communication skills, both written and verbal.
• Ability to testify in court proceedings to the integrity of the server and its data.

• Ability to work a flexible schedule, to include nights/weekends dependent upon the needs of the DFL.
• This is an onsite position, and remote work is not authorized.
• The working location is in the vicinity of Greenway Rd and the I-17 in Phoenix.

• Track ongoing tasks and provide updates to project manager
• Author and maintain business case analysis to include requirements descriptions, constraints, risks, assumptions, recommendations, and funding requirements.
• Provide support for technical escalation and solution design.
• Authorize, track, schedule, and implement Workstation maintenance, server maintenance, patch remediation, system configuration,
• Provide technical escalation across windows server and linux environments
• Implement and validate compliance with STIGs across technologies such as: Windows Server, Linux, Microsoft SQL, Microsoft IIS, DNS, SAN, Backup Services, and Active Directory.
• Deploy and Maintain HP Alletra Hyperconverged Infrastructure environment
• Ensure compliance with DOD security regulations and standards, particularly for Navy and DCSA networks.
• Provide guidance on security controls and measures to system developers and network engineers.
• Conduct regular security assessments and audits to identify vulnerabilities and ensure the effectiveness of implemented security controls.
• Assist in the preparation and presentation of RMF package materials for security accreditation and audits.

• Bachelor's degree in Information Technology, Cybersecurity, or a related field or equivalent combination of education and work experience.
• Minimum 5 years of professional experience managing and administering Windows Servers.
• Minimum 3 years of professional experience managing and administering virtual infrastructure components (VMware VSAN, VMWare ESXi, Dell VXRAIL, Nutanix, HP Alletra, Simplivity ect).
• Current IAT Level II Certification such as Comptia Sec + required.
• Active Secret Clerance with ability to upgrade to Top Secret W/ SSBI.

Req ID: 3331

NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization, apply now.

We are currently seeking a Systems Administration Specialist to join our team in Newport News, Virginia (US-VA), United States (US).

We are seeking a highly skilled Systems Administration Specialist to join our hybrid agile delivery team. This individual will be instrumental in providing technical and business solutions to multiple projects in a Hybrid Agile work environment. The System Administration Specialist will play a critical role in ensuring our systems are secure and compliant with all federal regulations and standards. Communication skills are critical for this role. This position requires the technical ability to assess the implications of technology configurations including the writing of technical implementation statements and technical impact statements.

Responsibilities:

• Track ongoing tasks and provide updates to project manager

• Author and maintain business case analysis to include requirements descriptions, constraints, risks, assumptions, recommendations, and funding requirements.

• Provide support for technical escalation and solution design.

• Authorize, track, schedule, and implement Workstation maintenance, server maintenance, patch remediation, system configuration,

• Provide technical escalation across windows server and linux environments

• Implement and validate compliance with STIGs across technologies such as: Windows Server, Linux, Microsoft SQL, Microsoft IIS, DNS, SAN, Backup Services, and Active Directory.

• Deploy and Maintain HP Alletra Hyperconverged Infrastructure environment

• Ensure compliance with DOD security regulations and standards, particularly for Navy and DCSA networks.

• Provide guidance on security controls and measures to system developers and network engineers.

• Conduct regular security assessments and audits to identify vulnerabilities and ensure the effectiveness of implemented security controls.

• Assist in the preparation and presentation of RMF package materials for security accreditation and audits.

Basic Qualifications:

• Bachelor's degree in Information Technology, Cybersecurity, or a related field or equivalent combination of education and work experience. (

• Minimum 5 years of professional experience managing and administering Windows Servers.

• Minimum 3 years of professional experience managing and administering virtual infrastructure components (VMware VSAN, VMWare ESXi, Dell VXRAIL, Nutanix, HP Alletra, Simplivity ect).

• Current IAT Level II Certification such as Comptia Sec + required.

• Active Secret Clerance with ability to upgrade to Top Secret W/ SSBI.

About NTT DATA

NTT DATA is a $30 billion trusted global innovator of business and technology services. We serve 75% of the Fortune Global 100 and are committed to helping clients innovate, optimize and transform for long term success. As a Global Top Employer, we have diverse experts in more than 50 countries and a robust partner ecosystem of established and start-up companies. Our services include business and technology consulting, data and artificial intelligence, industry solutions, as well as the development, implementation and management of applications, infrastructure and connectivity. We are one of the leading providers of digital and AI infrastructure in the world. NTT DATA is a part of NTT Group, which invests over $3.6 billion each year in R&D to help organizations and society move confidently and sustainably into the digital future. Visit us at us.nttdata.com (

NTT DATA endeavors to make accessible to any and all users. If you would like to contact us regarding the accessibility of our website or need assistance completing the application process, please contact us at . This contact information is for accommodation requests only and cannot be used to inquire about the status of applications. NTT DATA is an equal opportunity employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status. For our EEO Policy Statement, please click here ( . If you'd like more information on your EEO rights under the law, please click here ( . For Pay Transparency information, please click here ( .

About the job Lead Systems Administration
Top Secret Clearance Jobs is dedicated to helping those with the most exclusive security clearance find their next career opportunity and get interviews within 48 hours.

Job Title: Systems Administration Job Code: 17377 Job Location: Colorado Springs, CO Job Description: Responsible for the internal or customer administration, maintenance and management of capacity resources for computers at the operating system and infrastructure level. Builds, configures, troubleshoots and integrates new and existing servers to provide service enhancements, application deployments and infrastructure upgrades. Sets up administrator and service accounts, maintains system documentation, tunes system performance, installs system-wide software, and allocates mass storage space. Recommends software and hardware enhancements, diagnoses and corrects issues, defines and implements new services with the goal of achieving maximum server uptime and availability for the customers. Responsible for monitoring performance, system usage. Contributes towards the Disaster Recovery Plan (DRP), backup systems and disk configurations. Conducts system analysis and development to keep systems current with changing technologies.

Essential Functions:

• 4-6 years of experience with Red Hat Linux Administration or Engineering, 2-4 years of experience with Windows Administration or Engineering
• Configure, monitor, maintain, troubleshoot VMWare and/or other virtualization technologies
• Experience in VM life-cycle management (snapshots)
• System configuration experience with Enterprise Identity Management tools (LDAP, IPA, Active Directory, etc.)
• Lead efforts to field changes to production systems to a schedule
• Address and detect issues that impact projects and implement/develop courses of action (COAs) to mitigate or alleviate the impact to projects
• Experience implementing patches, scanning, remediating findings, auditing
• Support critical operations during standard and occasional non-standard working hours
• Expertise with VMware vCenter Server or VMware certifications.
• Works to provide architecture-level oversight for multiple projects.
• Work with lead engineers to ensure engineering designs are sound and fit overall architectural concepts.
• Implement/maintain strong system architectures to include physical and virtual environments.
• Ensure project schedules are being met and identify any
• constraints/concerns.
• Support/facilitate customer meetings and ensure compliance with project requirements & overall architectural design.
• Bring Engineering knowledge & Support briefings to customer, vendor and procurement support, and system evaluations.
• Experience as an IPTL
• Work within program organization and milestones
• Experience with day-to-day ops on a cross functional team
• This position is performed 100% onsite.

• Education:
• Bachelor's Degree and minimum 9 years of prior relevant experience.
• Graduate Degree and a minimum of 7 years of prior related experience.
• In lieu of a degree, minimum of 13 years of prior related experience
• Secret security clearance required.
• DOD 8570.01M IAT 2 certification.

• DoD 8570.01-M IAT Level 3 certification (e.g. CASP+ CE, CCNP Security, CISA, CISSP (or Associate), GCED, or GCIH).
• Experience with construction and configuration of data Cloud environments such as AWS or GovCloud using government software
• System configuration experience with SANs
• Working knowledge of RMF and cybersecurity requirements
• Previous experience supporting DoD/government customers
• Hardware/software requirement verification/system validation experience
• Demonstrated ability to work and grow in a dynamic, fast paced, team-oriented environment
• Active Top Secret clearance with SCI Eligibility
• Ability to travel up to 10%
• Experience with CM tools
• Establish and maintain up-to-date cybersecurity configurations based on DISA STIGs and IAVM Notices