Linux Systems Engineer Security Clearance

Position: Linux Systems Engineer with Security Clearance
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- Description The Leidos National Solutions Division has an exciting opportunity for an experienced Linux System Administrator to work on cloud-based systems with a mission operations team. The team is involved in operations and sustainment of multiple operational cloud deployed geospatial solutions. A successful candidate will have experience with installation, configuration, administration, support and maintenance of cloud-based systems. Responsibilities:
Primary responsibilities will involve taking a leadership role in system changes and improvements; working directly with government and contractor POCs to troubleshoot and responding to security reports; proactively monitor all operational systems and perform some of the more complex health checks;
Deploy security patches and bug fixes to test and operational environments; update critical databases with new data; author and update operational and security documentation, including troubleshooting guides and SOPs. Core

Qualifications:

* TS/SCI Clearance w/ Poly (or ability to pass Poly upon hire)

* DOD 8570 Certification (Security+ or equivalent or higher)

* Typically requires BS and 4 – 8 years of prior relevant experience or Masters with 2 – 6 years of prior relevant experience.

* Experience in AWS/Cloud technologies

* Advanced Linux administration experience with RHEL 8 or higher

* Knowledge of Systems, Architectural, SW Development and SW Sustainment Practices

* Proactive self-starter demonstrates a positive, willing attitude and excellent oral and written communication skills.

* Organizational

Skills:

Can plan and prioritize work. Follow tasks to their logical conclusion and make sure that everything has been done to the right standard. Good attention to detail.

* Communications:
Ability to communicate clearly and efficiently with team members and clients, verbally and in writing. Able to present ideas in a variety of ways depending upon audience and context.

Preferred Qualifications:

* Experience with ArcGIS/ESRI automation and deployments
* IAC (Cloud Formation, Terraform, Chef, Puppet, Anisible)
* Automation (Lambda, Ansible, Chef, Jenkins, Git)
* Low-level Engineering (Git, Jira, Agile tools/methods)
* Containers (Docker, ECS, EKS, Fargate, AKS)
* Power Shell and Bash
* Understanding of RDS and SQL Technology
* AWS Solutions Architect, AWS Developer, Certification(s)
* Experience with IC Cloud Architecture implementation methodologies
* Team Collaboration tools and administration (Jira, Confluence, Rocket Chat) 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:
February 24, 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 $87,100.00 - $ 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  . 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…