The Digital Modernization Sector at Leidos has an opening for a System Administrator to support the Intelligence Community in providing technical support for the customer’s system test and integration lab, and customer production environment. The System Administrator provides hand-on support for the IT infrastructure and technical assistance and support as needed to on-site administrators supporting the other two environments.
Description of Job Duties/Responsibilities:
- Excellent writing skills required for preparing documentation and other technical deliverables.
- Ability to troubleshoot Cisco and Juniper switches and routers.
- Uses MicroFocus/OpenText and HP Network Monitoring tools.
- Organizes and directs the configuration and operation of information management systems.
- Provides the day-to-day system administration to include system and resource optimization, and user assistance.
- Maintains servers and create and review monitoring reports and logs.
- Performs daily system monitoring, verifying the integrity and availability of all hardware, server resources, system and key processes, reviewing system and application logs, and verifying completion of scheduled jobs such as backups.
- Provides hands-on guidance and training to. more junior staff.
- Applies OS patches for RHEL and Windows servers.
- Runs configuring/adding new services.
- Conducts ongoing performance tuning, hardware upgrades, and resource, and optimization, as required.
- Conducts CPU configuration, memory and disk partitions, as required.
- Performs regular security monitoring to identify vulnerabilities and any possible intrusions.
- Sets up and manages frequent and regular (at least daily) backup operations, ensuring that all required file systems and system data are successfully backed up to appropriate media, plus creates recovery tapes or disks; performs regular file archive and purge, as necessary.
Required Qualifications
- TS SCI CI poly
- Candidate must have 12 years of experience that can be a combination of work history and education. This equates to a Doctorate and 4 years, master’s and 6 years, bachelor’s and 8 years, associates and 10 years or HS diploma and 12 years.
- Compliance with Department of Defense (DoD) 8570 Information Assurance Technical (IAT) Level 2.
- Must be able to process and analyze information and trouble calls submitted by a customer (e.g., system administrator, developer, security specialist), make determinations, provide and implement solutions.
- Must be able to work with minimal supervision to perform complex technical tasks.
- Must be able to troubleshoot network routing and router/switches.
- Build and O&M of Linux RHEL systems, Build and O&M of MS Windows Server systems, Build and O&M of virtual environment that includes virtual servers and virtual routers, Build and O&M Oracle Servers.
- Build and O&M of multiple Network Management applications, Build and O&M of VCenter which includes the O&M of VM templates, Build and O&M of ESXi hosts, Build and O&M of hardware.
- Understanding of DoD Risk Management Framework (RMF) information security requirements, standards, and best practices; DIACP compliancy with Retina, DISA STIG and IAVA patch management.
- Perform multiple tasks concurrently and respond to emergency effectively.
- Proficient in use of Microsoft Office suite.
- Increase system administrator efficiency and accuracy via the use of automated tools and scripts, develop system administrator procedures, and conduct system administrator training and skills assessment
- Conduct capacity and performance analysis, and provides system configuration change and upgrade recommendations.
- Determine computer user needs; analyze system capabilities and programming techniques and controls.
- Manage the daily activities of configuration and operation of systems and perform system capacity analysis and planning.
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:August 26, 2026For 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.
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.
Skills Required
- TS/SCI clearance with CI polygraph
- 12 years of combined work history and education experience
- DoD 8570 IAT Level 2 compliance
- Ability to analyze customer information and trouble calls and implement solutions
- Ability to perform complex technical tasks with minimal supervision
- Ability to troubleshoot network routing, routers, and switches
- Experience building and operating Linux RHEL systems
- Experience building and operating Microsoft Windows Server systems
- Experience building and operating virtual servers and virtual routers
- Experience building and operating Oracle servers
- Experience building and operating network management applications
- Experience operating VMware vCenter, VM templates, and ESXi hosts
- Experience building and operating hardware
- Understanding of DoD RMF, DIACAP, Retina, DISA STIG, and IAVA patch management
- Ability to multitask and respond effectively to emergencies
- Proficiency with Microsoft Office Suite
- Ability to develop automation tools, scripts, procedures, and administrator training
- Ability to conduct capacity and performance analysis and recommend upgrades
- Ability to determine user needs and analyze system capabilities and controls
- Ability to manage daily system configuration, operations, capacity analysis, and planning
Leidos Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Leidos and has not been reviewed or approved by Leidos.
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Healthcare Strength — Healthcare coverage is described as comprehensive, with multiple plan options, low office-visit copays in some plans, and access to mental health and wellness support tools. The availability of HSA/FSA options and employer contributions is positioned as a meaningful part of the total package.
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Retirement Support — Retirement benefits are framed as a strong component of total rewards, highlighted by a 401(k) match and immediate vesting in the standard package. The Employee Stock Purchase Plan is also presented as an additional long-term wealth-building feature.
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Wellbeing & Lifestyle Benefits — Wellbeing and lifestyle supports extend beyond core insurance, including wellness programs, fitness-related stipends, and assistance resources. Work flexibility and related perks are also included as part of the broader rewards experience.
Leidos Insights
What We Do
We Are Leidos For 50 years we have been tackling some of the biggest problems that face our nation and our world. OUR MISSION Through our culture of innovation and history of performance, we develop deep customer trust built on integrity and create enduring solutions that improve our world. Leidos is a science and technology solutions leader working to address some of the world’s toughest challenges in the defense, intelligence, homeland security, civil, and healthcare markets. The company’s 43,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Va., Leidos reported annual revenues of approximately $11.09 billion for the fiscal year ended January 3, 2020. Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®. Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the newly launched Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos. Your most important work is ahead.
