Are you ready to join a Leidos all-star team? Through training, teamwork, and exposure to challenging technical work, let Leidos show you how to accelerate your career path.
Leidos has an exciting opening for you as our next Tier 3 Service Desk/ Systems Administrator supporting the OSINT Integration Center under our 10-year DOMEX Technology Platform (DTP) contract. Your job will be to bring together Linux (primarily) and Windows systems administration, systems maintenance, systems performance optimization along with user support services. You will work in a team environment while demonstrating strong cross-functional collaboration in areas such as, but not limited to, development, production, cybersecurity compliance, and QA in a dynamic and fast paced environment. Individuals in this role may be required to perform technical software configuration, rebooting, and other remedial actions on customer systems. Work will be conducted on-site at our client location in Bethesda, MD during standard business hours, with rotational coverage of the service desk as early as 6am or as late as 6pm.
You will work closely with other infrastructure and network engineers, and system engineers on the following key tasks:
- Clear devotion to the DevOps and Infrastructure as Code (IaC) mindset
- Perform Linux and Windows builds, installs, configuration, administration, and troubleshooting of Linux and Windows servers to include base configuration, security and system patching, performance monitoring, etc.
- Implement and enforce DISA STIG compliance across all systems and networks
- Develop server builds for virtual and physical environments
- Manage, maintain, configure, and deploy system integration tools such as Kubernetes, Rancher, Helm
- Develop scripts to support patching, configuration, and other infrastructure team tasking using languages such as Python, Bash, or PowerShell
- Design, develop, and support scalable, redundant infrastructure to include physical and virtualized environments
- Utilize configuration management tools like Salt and Ansible for infrastructure automation and orchestration
- Set up administrator and service accounts, maintain system documentation, tune system performance, install system-wide software, validate and implement system patches, including fast turnaround time security critical patches
- Working knowledge of COTS and FOSS storage solution
- Improve existing infrastructure to incorporate latest technology best practices and cross application integrations
- Administer cloud environments, particularly AWS, including provisioning, monitoring, and optimization
- Collaborate with cross-functional teams to implement and maintain agile practices and workflows
- Provide support to customers in a professional, knowledgeable manner to maintain excellent customer relationships.
- Manage and administer accounts to include account creation, password resets, troubleshooting, and termination/deletion.
- Coordinate your work schedule with your ServiceDesk teammates to ensure the team offers coverage from 6am-6pm, Monday-Friday.
To be successful in this role you need these skills (required):
- Bachelor’s Degree and 4-8 years of prior relevant experience or Masters with 2+ years of prior relevant experience
- At least 4+ years of relevant professional experience
- Must have an active Top Secret security clearance with the ability to obtain and maintain a TS/SCI with Polygraph security clearance
- Experience in system integrations testing through a full system development life cycle, including implementing test plans, test cases and test processes
- Working in an Agile project management environment
- Experience with security requirements derivation
- Experience documenting test results for corrective actions, reporting and audits
- Excellent verbal and written communication skills
- Ability to work in a team and also a self-starter who can work on their own
- Expertise in configuration, administration, and troubleshooting of Linux (RHEL/CentOS, Ubuntu)
- Experience with Patching: yum repositories, APT repositories
- Experience with Server builds: virtual and physical
- Experience with Cloud Service Providers and cloud operations
You will wow us even more if you have some of these skills (preferred):
- Experience with data engineering tools such as Kubernetes/Rancher, Cloudera
- Experience with Configuration Management (Chef, Puppet, Ansible, Salt) and IaC tools such as AWS Cloudformation
- Experience with scripting languages such bash, python3 and power shell
- Experience with CI/CD tools ArgoCD, Jenkins, Nexus, Docker/containerd, gitlab/github
- Experience with ELK clusters, including Elasticsearch, Logstash, Kibana and *beats
- Experience with Windows Systems Administration and troubleshooting Active Directory
- Experience establishing large computer end-point environments (> 1,000 end-points)
- Experience maintaining AI/ML environments (NVIDIA hardware and software)
- Experience maintaining large data (Petabyte) environments and storage solutions
- Experience working in an air-gapped/not-connected-to-the-internet environment
#NMECDTP-Partner
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:September 30, 2025For 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.
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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.
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