The Homeland Security Airports, Borders and Security Division at Leidos currently has an opening for a Systems Administrator. This position will be responsible for technical planning, system hardware-software-network design, development and integration, verification and validation, and fielding. This position develops technical solutions – evaluating cost, risk, and supportability -- that require collaboration with internal experts and deep analyses and understanding of impact on end-product/solution. It requires deep understanding of and ability to apply principles, theories, and concepts of the technical domain and has broad understanding of other related specialty areas.
The technology environment is a multi-tiered, Java, web-based environment using JBoss Application Server and Portal technologies integrated with QuestionMark, Active Directory, MS SQL Server, IBI WebFOCUS, ILOG, and Oracle 19c database. The server environment includes Dell and other hardware, The environment is highly virtualized running VMware ESX supporting virtual servers running RedHat Enterprise Linux and Windows Server operating systems. The networking infrastructure includes Palo Alto & Cisco equipment (e.g., firewalls, Catalyst switches, MDS fiber switches etc.). External storage solutions equipment is from Dell.
PRIMARY RESPONSIBILITIES:
Duties include performing systems requirements analysis, functional analysis, timeline analysis, trade studies, requirements allocation and interface definition, technical management, integration, system testing, and quality assurance. IMPACT: Works independently to achieve day-to-day objectives with significant impact on operational results or project deliverables. Responsible for entire projects or processes within a technical area.
- The Systems Administrator will provide support for the management, operations, and maintenance of the SASS server, network, and database environments.
- Provides continuous assurance of the successful day-to-day operation and viability of the SASS server and network environment according to established Service Level Agreements (SLAs).
- Maintains RHEL, ESXi, and Windows operating systems, creates templated server images, creates snapshots/clones, manages storage, monitors logs, and creates/edits automation scripts.
- Participates in disaster recovery failover testing as well as system/database backup maintenance and testing.
- Monitors and coordinates synchronization between production and failover SASS environments (may require occasional travel).
- Prepares and documents procedures for day-to-day operations and ensures that they are carried out.
- Manages maintenance of the infrastructure, including application of critical and recommended patches and upgrades for system switches, firewalls, and SANs.
- Coordinates on-site resources to support installation of new hardware or software releases. Some repairs and maintenance may require travel to customer sites.
- Prepares regular security and operational reports for delivery to the customer in support of NIST 800-53 auditing.
- Installs and manages SIEM monitoring agents and maintains STIG compliance.
- Interacts with the customer directly and communicates concerns to Leidos project management and technical team members.
BASIC REQUIRED QUALIFICATIONS:
- Bachelor's degree (or equivalent work experience or specialized training) in Information Technology, Computer Science, Software Engineering or related discipline
- Minimum of three years hands-on experience with web-based server systems, Linux or other Unix operating systems, virtualization, and dealing with network connectivity and troubleshooting.
- Expertise in VMWare and RHEL administration, including system hardening, performance tuning, and automation
- Experience with creating process, procedures, and documentation relating to data center management, disaster recovery, and off-site backup storage and retrieval.
- Experience in large, enterprise-level systems deployments and data center operations environments.
- Experience with NIST 800-53 security requirements, managing STIG settings, interacting with various vulnerability scanning tools, and complying with audit activities related to regulatory compliance.
- Excellent analytical and problem-solving skills. Ability to work independently as a self-starter, and within a team environment.
ADDITIONAL DESIRED QUALIFICATIONS:
- Azure and/or AWS cloud administration experience a plus
- Experience with Atlassian Jira and Confluence tools.
- Experience administrating/troubleshooting Apache Tomcat, JBoss and SMTP a plus.
- Experience with network/firewall configuration and IP setup a plus.
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:May 12, 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
- Bachelor's degree in Information Technology, Computer Science, Software Engineering or related discipline
- Minimum of three years hands-on experience with web-based server systems, Linux or other Unix operating systems
- Expertise in VMware and RHEL administration
- Experience with NIST 800-53 security requirements and STIG settings
- Excellent analytical and problem-solving skills
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.
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