Leidos' Corporate Information Security Office (CISO) has an opening for a Cyber Infrastructure Support professional in our Omaha, NE office. This position will support the testing, implementation, deployment, maintenance, and administration of classified cyber systems, networks, and their supporting infrastructure hardware and software.
In this role you will perform hands-on systems administration and infrastructure support activities across Windows and Linux environments. Responsibilities include configuring and deploying hardware, installing and updating software, applying operating system and firmware updates, managing patches, implementing approved security configurations, troubleshooting technical issues, and maintaining accurate system documentation.
To be successful in this position, you must be able to work independently on moderately complex assignments while collaborating effectively with system administrators, cybersecurity personnel, engineers, program management, and other technical stakeholders. You should possess a strong technical foundation, demonstrate sound troubleshooting practices, and be willing to learn and support a broad range of infrastructure technologies within a classified, air-gapped environment.
Location: All work will be performed on-site in our Omaha, NE office.
Clearance: You must currently hold an active Secret clearance to qualify for consideration. You must also be eligible to obtain a Top Secret clearance post hire.
Primary Responsibilities
This role may include a combination of duties to maintain reliable, secure, and properly configured information systems and supporting infrastructure.
Install, configure, maintain, and troubleshoot Windows and Linux servers, workstations, and supporting infrastructure components.
Perform approved software installations, upgrades, updates, removals, and configuration changes.
Support operating system and application patch management activities, including identifying applicable updates, coordinating testing, scheduling deployment, validating installation, and documenting completion.
Install and validate firmware, driver, and hardware-management updates for servers, workstations, storage devices, network-connected equipment, and peripheral hardware.
Support the secure transfer, validation, scanning, and installation of software and updates within classified or air-gapped environments.
Configure and deploy new servers, workstations, peripheral devices, and other information technology equipment in accordance with approved build documentation and security requirements.
Perform hardware installation, replacement, troubleshooting, repair coordination, and lifecycle support.
Configure and administer Microsoft Windows Server operating systems and associated enterprise services.
Support Microsoft Active Directory administration, including user and computer objects, organizational units, security groups, permissions, and related functions using Active Directory Users and Computers and other approved administrative tools.
Assist with the development, testing, implementation, and troubleshooting of Group Policy Objects.
Apply and validate Security Technical Implementation Guide requirements and other approved security configuration baselines.
Use approved security and compliance tools to evaluate system configurations and identify potential vulnerabilities or configuration deficiencies.
Coordinate with Information Assurance personnel to remediate security findings, configuration deficiencies, patching gaps, and vulnerability scan results.
Support Red Hat Enterprise Linux systems, including installation, configuration, patching, service management, account administration, log review, and troubleshooting.
Support virtual infrastructure hosted on VMware vSphere and ESXi platforms, including virtual machine deployment, resource allocation, snapshot management, operating system installation, and basic troubleshooting.
Monitor system health, availability, performance, storage utilization, service status, and other operational indicators.
Troubleshoot system outages, degraded performance, authentication issues, application failures, network connectivity problems, and other infrastructure incidents.
Review system, application, security, and infrastructure logs to support troubleshooting, event analysis, and incident resolution.
Assist with device discovery, operating system fingerprinting, service scanning, passive scanning, and other approved network or infrastructure assessment activities.
Support enterprise cybersecurity and infrastructure tools used for endpoint protection, vulnerability management, compliance validation, logging, and monitoring.
Create and maintain system documentation, including build procedures, configuration records, system diagrams, inventories, maintenance records, troubleshooting guides, and standard operating procedures.
Document completed work, technical findings, configuration changes, patching activities, incidents, and corrective actions in approved ticketing or workflow systems.
Participate in configuration management and change-control processes by preparing technical implementation details, testing results, validation steps, and rollback procedures.
Maintain accurate hardware and software inventory information and update asset-management records following equipment deployment, transfer, replacement, or disposal.
Support hardware and software refresh activities, including staging, configuration, deployment, data migration, validation, inventory updates, and equipment disposition.
Assist senior technical staff with larger projects, complex troubleshooting efforts, infrastructure upgrades, system migrations, and technology-refresh initiatives.
Coordinate with vendors, manufacturers, and other technical support personnel to resolve hardware, software, licensing, warranty, and compatibility issues.
Support internal and external audits, assessments, inspections, inventory reviews, and security-validation activities by providing technical evidence and system documentation.
Follow approved cybersecurity, configuration management, media handling, change control, and information system operating procedures.
Identify recurring technical issues, supportability concerns, and opportunities to improve system reliability, security, standardization, and operational efficiency.
Basic Qualifications
Bachelor's degree and 2-4 years of prior relevant experience or a master's degree with less than 2 years of prior relevant experience. Additional relevant experience may be considered in lieu of a degree.
Must possess current DoD 8140 IAT II CompTIA Security+ certification or an equivalent certification that satisfies applicable position and customer requirements.
Must hold current Secret clearance and be eligible to obtain Top Secret clearance.
Hands-on experience supporting information technology infrastructure, systems administration, cybersecurity operations, or a related technical discipline.
Experience working with Microsoft Windows desktop and server operating systems.
Experience installing, configuring, updating, and troubleshooting software applications.
Experience performing or supporting operating system, application, firmware, and driver updates.
Experience configuring, deploying, maintaining, or troubleshooting computer hardware.
Familiarity with patch-management processes, including testing, deployment, validation, exception handling, and documentation.
Basic understanding of cybersecurity configuration standards, system hardening, vulnerability remediation, and secure administration practices.
Ability to troubleshoot moderately complex technical issues using logs, diagnostic tools, documentation, and established technical practices.
Ability to create and maintain clear, accurate technical documentation.
Ability to communicate technical issues, findings, and recommended solutions to colleagues across multiple technical disciplines.
Strong organizational, analytical, documentation, and problem-solving skills.
Ability to work independently on assigned tasks while collaborating effectively with senior technical staff, Information Assurance personnel, engineers, and program leadership.
Network connectivity and infrastructure troubleshooting
Supporting classified information systems
Supporting disconnected, isolated, or air-gapped environments
Preferred Qualifications
Familiarity with Windows Server installation, configuration, maintenance, patching, and troubleshooting.
Familiarity with Microsoft Active Directory and Active Directory Users and Computers.
Familiarity with Group Policy concepts and the application of security and configuration settings through Group Policy Objects.
Familiarity with Red Hat Enterprise Linux or a comparable Linux operating system.
Familiarity with VMware vSphere and ESXi virtualization technologies.
Familiarity with Security Technical Implementation Guides or comparable security configuration baselines.
Familiarity with Kubernetes architecture, administration, or application deployment.
Familiarity with containerization concepts and container lifecycle management.
Familiarity with container images, registries, orchestration, persistent storage, networking, and security considerations.
Familiarity with infrastructure automation, scripting, or configuration-management technologies.
Previous experience supporting classified, disconnected, or air-gapped information systems.
Experience administering or supporting Red Hat Enterprise Linux systems.
Experience with VMware vSphere, ESXi, or comparable virtualization platforms.
Experience creating, modifying, testing, or troubleshooting Group Policy Objects.
Experience implementing or assessing systems against Security Technical Implementation Guides.
Experience using SCAP Compliance Checker or comparable security compliance-assessment tools.
Experience with Trellix endpoint security, application control, device control, or related enterprise security products.
Experience using Splunk or a comparable centralized logging and analysis platform.
Experience using enterprise ticketing or workflow software such as Jira, ServiceNow, or a comparable platform.
Experience using Podman, Docker, or comparable container-management technologies.
Basic familiarity with Microsoft Azure services, administration, or cloud architecture.
Basic familiarity with Amazon Elastic Kubernetes Service or other managed Kubernetes platforms.
Additional relevant technical or cybersecurity certifications such as CompTIA Network+, Linux+, CySA+, Microsoft, Red Hat, VMware, Cisco, Kubernetes, or similar credentials.
If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.
Original Posting: October 30, 2026
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 $69,550.00 - $125,725.00
The Leidos pay range for this job level is a general guideline only and 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.
About Leidos
Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.
Pay and Benefits
Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.
Securing Your Data
Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.
If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.
Commitment to Non-Discrimination
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. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.
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About the role
This is a Mid Level role in the Technology field (Cybersecurity) at Leidos. Mid-level roles usually expect some years of relevant experience and the ability to work with limited supervision.
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Does the pay work here? (estimate)
Estimate for a wage earner: 2026 federal brackets and standard deduction (IRS), Social Security 6.2% up to $184,500, Medicare 1.45% (+0.9% above $200,000 single / $250,000 married), and a state rate you set; set your own state tax rate. It ignores credits, pre-tax deductions, local taxes and benefits. Sources: IRS: tax year 2026 inflation adjustments · SSA wage base per Federal Register notice 2025-19763.
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The job is in Omaha, NE. Below is what the official statistics say about living and working there.
How Omaha compares. Among the 40 largest places in Nebraska, Omaha is #1 by population, #3 for remote work (#1 = most), #6 for college degrees (#1 = most), #34 for homeownership (#1 = highest). Its county, Douglas County, is #2 of 93 counties for average pay ($67,868).
The place in numbers
Omaha has 488,837 residents (ACS 2020–2024), about 24.7% of the population of Nebraska. It covers 143 square miles of land, which works out to roughly 3,420 people per square mile. The median age is 35.3, 5% younger than the state median (35.3 against 37.2).
Housing
The median gross rent is $1,187 a month (rent plus utilities), 11% above the state median ($1,187 against $1,072). Over a year that is 19.5% of the median household income. US housing guidance treats housing as affordable when it takes 30% of income or less, so the typical household is under that line. The median home value is $245,500, which is 3.4 times the median household income ($73,201); a ratio under 4 usually means ownership is within reach for many households. 57.4% of households own their home, 14% below the state average (57.4% against 66.5%).
Work and pay
The Omaha, NE-IA metropolitan area has 498,100 jobs in the BLS wage survey, and the median pay across all occupations is $49,660 a year, about the same as the national median ($49,660 against $50,980). The biggest occupation groups are office and administrative support (55,630 jobs, median $47,100); food preparation and serving related (48,260 jobs, median $34,270); sales and related (43,380 jobs, median $37,540). The area is most specialised in personal care and service (1.4 times) and construction and extraction (1.2 times), where the share of workers is above the national share. The best-paying groups with at least 5,000 jobs are management ($108,120) and computer and mathematical ($96,400). In 2026M09 the unemployment rate of Douglas County was 2.6%. 69.0% of residents aged 16 and over are in the labour force. The city lies in Douglas County; its jobs, pay by industry and GDP are on the county page.
Getting around
Among workers, 71.8% drive alone, 1.0% use public transit, 1.7% walk, 15.1% work from home. 5.2% of workers commute 45 minutes or more, 26% below the state average (5.2% against 7.0%). Remote work is more common than in the state as a whole, which widens the set of employers a resident can work for without moving.
People and education
40.1% of adults aged 25 and over hold a bachelor's degree or higher, 16% above the state share (40.1% against 34.6%). 11.3% of residents were born outside the United States, 41% above the state share (11.3% against 8.0%). The poverty rate is 13.5%, 27% above the state rate (13.5% against 10.6%).
Climate
The warmest month is Jul, averaging 78°F (25.5°C), and the coolest is Jan at 23°F (-5.1°C). About 786 mm (31 inches) of precipitation falls in a year; May is the wettest month (121 mm) and Jan the driest (19 mm). These values come from NASA satellite-based climatology on a grid of about 50 km, so they describe the wider area, not a weather station in the city.
Nearby cities to compare
Closest cities in this guide: Ralston (4 miles, similar rent); La Vista (6 miles, rent 11% higher); Chalco (7 miles, similar rent); Papillion (8 miles, rent 7% higher). Rent differences are against Omaha; use the Compare tab to put any two cities side by side.
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Career paths
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Company description (from The Muse): Leidos is a Fortune 500® innovation company rapidly addressing the world’s most vexing challenges in national security and health.
size: Large Size; industries: Information Technology; locations on The Muse: Reston, VA.
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What it is like to work at a company (culture, schedules, benefits) is not in the source data, so we do not describe it. Read the description and ask the questions under "How to prepare".
What is the Cyber Infrastructure Support job at Leidos?
A mid level role in technology (cybersecurity) listed 2 days ago. The full description is on this page and on The Muse.
Where is this job?
Omaha, NE.
How do I apply?
Use the "View this job and apply on The Muse" button. AtiveSite does not receive applications.
How much does it pay?
The listing does not publish pay, and we could not match the title to one official occupation.
What is the cost of living there?
Median rent in Omaha is $1,187 a month and median household income $73,201 (ACS 2020–2024).
How old is this listing?
It was posted on 2026-11-06 (2 days ago). Jobs older than 90 days are not shown.
Are there similar jobs?
Yes: browse cybersecurity jobs in Nebraska.
Sources and terms
Job data: The Muse public API (listing dated 2026-11-06). The job disappears from this site when it disappears from the source.
Wages and projections: BLS OEWS (May 2025) and Employment Projections 2025–35.
City and county figures: Census Bureau ACS 2020–2024, BEA, BLS QCEW and LAUS, NASA POWER climatology; distances from Census Gazetteer coordinates.
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