7 System Administrator jobs in Omaha

**Description**
**System Administrator (Offutt AFB) - Leidos**
Do mission-critical infrastructure and cutting-edge cloud migrations get your pulse racing? At Leidos, you'll be the linchpin of Air Force ISR operations-building rock-solid Windows/Linux environments, safeguarding top-secret data, and architecting the next wave of AWS/Azure solutions.
**What You'll Own**
+ End-to-End Server Maestro Lead the install, configuration, tuning, and 24/7 support of Windows & Linux servers, storage arrays, and databases-ensuring peak performance for every mission.
+ Rapid-Response Troubleshooter Diagnose hardware, software, and network issues at lightning speed.
+ Own full-scale crash recoveries and backup restores so mission downtime stays at zero.
+ Security & Compliance Vanguard Collaborate with InfoSec teams to enforce DoD 8570 IAT Level II (Sec+), audit logs, and harden systems against threats-keeping our defense posture airtight.
+ Cloud Architect & Migration Trailblazer Design scalable, resilient AWS/Azure blueprints.
+ Craft migration playbooks and guide applications into the cloud with surgical precision.
+ Performance Optimizer Monitor system health and network traffic, identify chokepoints, and deploy targeted fixes that accelerate data flows and user experiences.
+ Knowledge Engineer Capture your designs, policies, and runbooks in our shared Wiki-transforming complex setups into crystal-clear guidance.
+ Innovation Scout Scan the horizon for cutting-edge tech, champion pilots, and blueprint your roadmap for tomorrow's breakthroughs.
**Basic Qualifications**
+ Bachelor's degree + 9 years of relevant experience (or equivalent mix of education, certifications, and hands-on work)
+ DoD 8570 IAT Level II compliant (Security+ certified)
+ Proven track record supporting Air Force ISR ops, with hands-on AF systems & databases
+ Deep familiarity with cloud platforms (AWS, Azure, or equivalent)
+ Active TS/SCI clearance
+ Fluent English communication skills
**Nice-to-Haves**
+ AWS Certified Solutions Architect coursework or certification - Embedded experience with Air Force ISR units - CompTIA Network+ and/or Server+ credentials
Join Leidos at Offutt AFB and become the backbone of our nation's intelligence edge-where every server you deploy, every backup you restore, and every cloud architecture you design directly powers our warfighters' success. We can't wait to see what you'll build.
**Original Posting:**
June 25, 2025
For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
**Pay Range:**
Pay Range $89,700.00 - $162,150.00
The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
REQNUMBER: R-
All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws. Leidos is an equal opportunity employer/disability/vet.

Windows Desktop System Administrator

Peraton is seeking a Windows Desktop System Administrator to work at USSTRATCOM - Offutt AFB, Nebraska.

What you will do:

• Remain current on hardware and software advancements
• Assist in designing systems and solutions to satisfy customer needs
• Verify system performance after hardware and software installation
• Manage product/service issue resolution and upgrades
• Handle the administration and support of print services
• Manage the operation, configuration, and maintenance of virtual machines and their management consoles (Treidici, Wyse Management Suite (WMS), 10Zig Management Console)
• Diagnose technical problems, escalate unresolved issues according to established procedures, and suggest potential alternative courses of action
• Document problem resolutions with precision and detail
• Manage and track work progress using Remedy and Service Now ticketing systems
• Research and report on technical capabilities of company products and competing solutions
• Develop and improve systems and system-oriented products to enhance functionality, efficiency, and reliability
• Prepare and deliver system analysis to inform sales force and customers on product features and benefits
• Coordinates equipment projects from conception to completion, integrating engineering and programming knowledge with the use of sophisticated instruments and computers
• Advise management on industry trends and emerging technologies to enhance existing technology and its application
• Develops and maintains technical documentation, including manuals, drawings, system specifications, installation records, calibration data, maintenance logs, and quality control information
• Collaborate effectively with team members while providing friendly, efficient and professional customer service in support of DoD customers in a demanding environment

What you will need:

• 0 years with BS/BA; 4 years commensurate experience in a DoD environment in lieu of degree
• Proficiency in troubleshooting and problem-solving
• Experience in laptop/PC hardware, software, peripherals and maintenance
• Aptitude and initiative to learn existing and new technical concepts
• Active TS/SCI clearance is required
• Security+ certification
• Ability to respond to emergency situations with after-hours support
• Knowledgeable of DISA STIG requirements for Windows-based workstations
• Familiarity with DoD Information Assurance Concepts/Process

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 to learn how we're keeping people around the world safe and secure.

$51,000 - $82,000. This represents the typical salary range for this position based on experience and other factors.

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

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.
L3Harris Technologies is the Trusted Disruptor in the defense industry. With customers' mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.
Job Title: Sr. Associate, Systems Engineering - RC-135 Computer Systems Administrator
Job Code: 25897
Job Location: Offutt AFB, NE (On-Site)
Job Schedule: 1st Shift M-F 5/8 (Mission dependent)
Job Description:
L3Harris is seeking a Specialist, Systems Engineering RC-135 Computer Systems Administrator (CSA) for our location at Offutt AFB, Nebraska, supporting the USAF's RC-135 mission aircraft and its related ground support systems.
Essential Functions:
· Provide support for all RC-135 aircraft operational and ground training missions by managing mission software loads.
· Conduct prep/recoveries of all missions by loading/extracting critical data for customer use.
· Provide Ground Data Processing System (GDPS) operations support, data import/export operations and mission data archiving.
· Perform hardware and software malfunction isolation, and configuration for special operations modes and testing as required.
· Manage GDPS daily operations and make recommendations to correct system anomalies.
· Responsible for GDPS database and software configuration control, and account management/controls.
· Familiarity with LINUX and UNIX-based operating systems and Oracle databases.
· Programming experience with Linux shell scripting, MySQL, PHP, Perl, Java and HTML.
· Knowledge and experience with the current RC-135 mission systems or equivalent platform or systems.
· Willing and able to travel up to 30% worldwide deployable.
· Must be able to work various shifts, mission dependent.
· Ability to move up to 50 lbs. up to 5% of the time.
· Ascend/descend ladders up to 5% of the time.
· Other duties as assigned by Supervisor.
Qualifications:
· Bachelor's Degree with two (2) years of prior computer hardware and software theory, operations, and sustainment experience.
· Graduate Degree with zero-two (0-2) years of prior computer hardware and software theory, operations, and sustainment experience.
· In lieu of a degree, a minimum of six (6) years of prior computer hardware and software theory, operations, and sustainment experience.
· Must have an active Secret Clearance at the time of hire with the ability to obtain Top Secret with SCI Security Clearance and CI polygraph within the first year.
· Must be able to successfully obtain COMPTIA Security + certification or higher within six months.
· Must be a US Citizen.
Preferred Additional Skills:
· IT/Cyber experience and/or associated degree.
· Cisco Certified Network Associate (CCNA).
· CompTIA Network+ or Security+ certification.
· Active Top Secret/SCI clearance.
#LI-AH1
#LI-AS1
L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law.
Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.
By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions.
L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English ( or Spanish ( . For information regarding your Right To Work, please click here for English ( or Spanish ( .

Systems/Network Administrator
Job Category: Information Technology
Time Type: Full time
Minimum Clearance Required to Start: TS/SCI
Employee Type: Regular
Percentage of Travel Required: Up to 10%
Type of Travel: Continental US
* * *
**The Opportunity:**
As a Unit Level Intelligence (ULI) Toolkit System/Network Admin you will play a pivotal role in actively shaping and expanding our infrastructure within the environment.
You will be responsible to install, configure, test, and maintain Windows operating systems and application software patches and service packs on servers and laptops.
**Responsibilities:**
+ Apply and maintain software baseline using Department of Defense (DoD)/Air Force (AF) approved applications to new equipment
+ Coordinate equipment availability and document equipment on hand with Logistics Manager, maintain Continuity documentation in a knowledge management library or database
+ Perform vulnerability scans
+ Analyze and resolve hardware/software integration issues across server and network infrastructures
+ Test, evaluate, and prepare hardware, software, and related technology for security accreditation and compliance
+ Implement approved system changes, execute patch management and maintain documentation per Change & Configuration Management policies
+ Prepare reports detailing the results of the test and evaluation including specific recommendations
+ Research methods and technologies to discover, interpret, and recommend solutions to technical problems
+ Provide support on AF exercises and test events when requested by the government
+ Provide clear, concise, and accurate communications, both verbally and in writing
+ Provide support for implementation, troubleshooting and maintenance of IT systems
+ Provide Tier 2 problem identification, diagnosis and resolution of problems
+ Test and deploy IT hardware and software capabilities to global customers as directed
+ Perform regular tests and data backups to ensure the supported systems and services work as directed
+ Perform normal operations and maintenance functions on IT infrastructure to ensure optimal performance daily. This includes performing scheduled and unscheduled maintenance on servers, switches, and other support infrastructure
+ Analyze and resolve problems associated with server hardware, operating systems, and applications software while adhering to mandated security requirements and guidelines
+ Troubleshoot customer application, hardware, network, and related performance issues
**Qualifications:**
_Required:_
+ Active DOD Top Secret SCI security clearance
+ Bachelor's degree in computer science, Software Engineering, Information Management Systems or a related discipline. Equivalent professional experience will be considered in lieu of degree
+ 8 years' experience as a System/Network Administration in programs and contracts of similar scope, type, and complexity's required
+ DOD 8140 certification at IAT Level 2 (i.e. Cisco Certified Network Associate (CCNA) Security, Security+ Continuing Education (CE), or Systems Security Certified Practitioner (SSCP)
+ Strong interpersonal skills required
_Desired:_
+ Familiarity with communications, encryption, networking, programming, IT systems, and cybersecurity fundamentals and related services
+ Familiarity with Docker and Kubernetes
+ Familiarity with cloud computing concepts, AWS, processes, platforms, providers, and systems, including access, affordability, and performance options
-
**___**
**What You Can Expect:**
**A culture of integrity.**
At CACI, we place character and innovation at the center of everything we do. As a valued team member, you'll be part of a high-performing group dedicated to our customer's missions and driven by a higher purpose - to ensure the safety of our nation.
**An environment of trust.**
CACI values the unique contributions that every employee brings to our company and our customers - every day. You'll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.
**A focus on continuous growth.**
Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground - in your career and in our legacy.
**Your potential is limitless.** So is ours.
Learn more about CACI here. ( Range** : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits. Learn more here ( .
The proposed salary range for this position is:
$85,800 - $180,200
_CACI is_ _an Equal Opportunity Employer._ _All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any_ _other protected characteristic._

Network Administrator- Site Survey
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 50%
Type of Travel: Local
Anticipated Posting End: 10/24/2025
**The Opportunity:**
The Enterprise Communications Services 3 (ECS3) program supports our intel customer and their mission partners at various operating locations worldwide. Our focus includes the design, transition, operations, and continual service improvement to include tech modernization, tech refresh, activities associated with DIA local area networks (LANs), wide area networks (WAN) and unified communication (UC) services. Become a part of our great team and make a difference.
**Responsibilities:**
This position requires travel to customer sites to replace existing network devices with a new models in the existing operational infrastructure. There will be coordination with the customer for acceptable network outage times. Depending on the sites mission criticality, work may have to be performed after normal business hours and/or on weekends.
In this role the Site Survey Network Administrator will be responsible for:
+ Support site survey and engineering designs data calls.
+ Demonstrating innovative network engineering acumen for improvements to site, location, or enterprise performance.
+ Support new/enhanced network implementation, installation, and technical refresh projects within a site or locale.
+ Making recommendations that enhance efficiencies for network monitoring, management, and overall operations.
+ Participating in engineering designs/decisions that impact installation or modification of components directly impacting mission success.
+ May manage survey, design, implementation, installation, or technical refresh projects within a site or locale.
+ Will require ability to work independently with minimal supervision.
+ Will require travel to other sites for network engineering and administration activities.
+ May require unpacking, moving network components of average weight and volume.
+ It is anticipated this role will have 50% CONUS travel.
**Qualifications:**
+ IAT II, CCNA (preferred)
+ TS/SCI security clearance with ability to obtain a polygraph
+ Bachelor's degree & 5 years of relevant experience, or experience in lieu of a degree
-
**___**
**What You Can Expect:**
**A culture of integrity.**
At CACI, we place character and innovation at the center of everything we do. As a valued team member, you'll be part of a high-performing group dedicated to our customer's missions and driven by a higher purpose - to ensure the safety of our nation.
**An environment of trust.**
CACI values the unique contributions that every employee brings to our company and our customers - every day. You'll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.
**A focus on continuous growth.**
Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground - in your career and in our legacy.
**Your potential is limitless.** So is ours.
Learn more about CACI here. ( Range** : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits. Learn more here ( .
Since this position can be worked in more than one location, the range shown is the national average for the position.
The proposed salary range for this position is:
$75,200-$158,100
_CACI is_ _an Equal Opportunity Employer._ _All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any_ _other protected characteristic._

Network Administrator- Site Survey
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 50%
Type of Travel: Local
Anticipated Posting End: 10/27/2025
**The Opportunity:**
The Enterprise Communications Services 3 (ECS3) program supports our intel customer and their mission partners at various operating locations worldwide. Our focus includes the design, transition, operations, and continual service improvement to include tech modernization, tech refresh, activities associated with DIA local area networks (LANs), wide area networks (WAN) and unified communication (UC) services. Become a part of our great team and make a difference.
**Responsibilities:**
This position requires travel to customer sites to replace existing network devices with a new models in the existing operational infrastructure. There will be coordination with the customer for acceptable network outage times. Depending on the sites mission criticality, work may have to be performed after normal business hours and/or on weekends.
In this role the Site Survey Network Administrator will be responsible for:
+ Support site survey and engineering designs data calls.
+ Demonstrating innovative network engineering acumen for improvements to site, location, or enterprise performance.
+ Support new/enhanced network implementation, installation, and technical refresh projects within a site or locale.
+ Making recommendations that enhance efficiencies for network monitoring, management, and overall operations.
+ Participating in engineering designs/decisions that impact installation or modification of components directly impacting mission success.
+ May manage survey, design, implementation, installation, or technical refresh projects within a site or locale.
+ Will require ability to work independently with minimal supervision.
+ Will require travel to other sites for network engineering and administration activities.
+ May require unpacking, moving network components of average weight and volume.
+ It is anticipated this role will have 50% CONUS travel.
**Qualifications:**
+ IAT II, CCNA (preferred)
+ TS/SCI security clearance with ability to obtain a polygraph
+ Bachelor's degree & 5 years of relevant experience, or experience in lieu of a degree
-
**___**
**What You Can Expect:**
**A culture of integrity.**
At CACI, we place character and innovation at the center of everything we do. As a valued team member, you'll be part of a high-performing group dedicated to our customer's missions and driven by a higher purpose - to ensure the safety of our nation.
**An environment of trust.**
CACI values the unique contributions that every employee brings to our company and our customers - every day. You'll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.
**A focus on continuous growth.**
Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground - in your career and in our legacy.
**Your potential is limitless.** So is ours.
Learn more about CACI here. ( Range** : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits. Learn more here ( .
Since this position can be worked in more than one location, the range shown is the national average for the position.
The proposed salary range for this position is:
$75,200-$158,100
_CACI is_ _an Equal Opportunity Employer._ _All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any_ _other protected characteristic._