Linux System Administrator

Job Description

Description

Are you passionate about tackling intricate challenges?

Leidos-Dynetics, within the Digital Modernization sector, is seeking a Linux System Administrator to ensure the secure and efficient operation of our Linux-based systems, while seamlessly integrating with other technologies within a high-traffic network environment. In this full-time, on-site role, you will collaborate closely with stakeholders to support a variety of programs. Expertise in both Linux and Windows technologies is essential.

Location : Your work will be performed in our Huntsville, AL office.

Clearance : You must currently hold an active Top Secret clearance to qualify for consideration (U.S. Citizenship required)

At Leidos-Dynetics, we recognize the value of having a high-performing workforce and are committed to providing opportunities for employees by encouraging career growth and movement across the enterprise.  We view career development as a partnership between employees, managers, and the company with a focus on building skills and experiences through internal mobility. To support career development, we offer a variety of resources in addition to training and educational opportunities within an inclusive environment.

What We Value :

We're not just looking for technical expertise; we value a positive attitude, adaptability to changing priorities, and a commitment to getting the job done. Our ideal candidate is a reliable troubleshooter, adept at handling multiple priorities with excellent coping skills. Whether working independently or collaboratively, you're self-managed and customer-focused.

Key Responsibilities :

Maintain Both Linux and Windows servers and workstations.

Embrace new technologies to meet evolving requirements.

Provide onsite IT support.

Coordinate with the Information assurance team to meet compliance.

Maintain a robust virtual and physical environment.

Manage privileged access management.

Ensure the proper marking, handling, and storage of classified materials.

Experience and Skills :

Bachelor's Degree with 4+ years of relevant experience, additional experience may be considered in lieu of degree.

Minimum of 4 (Four) years of System Administrator experience.

Minimum of 2 (Two) years administering Linux operating systems with strong capability in administering Red Hat Linux.

Active Top Secret Clearance

Current IAT II certification (Security+ or equivalent)

Strong written and verbal communication skills.

Ability to interface effectively with security agencies, customers, and management.

Manage multiple networks in a dynamic, demanding environment.

Familiarity with Risk Management Framework requirements for Windows and Linux systems.

DoD Directive 8570 / 8140 Information Assurance Technical (IAT) Level II certification. (Security+ CE, CCNA Security, CySA+, GICSP, GSEC, CND, SSCP)

Preferred Qualifications :

Previous experience maintaining networks in classified environments.

Experience maintaining Linux environments.

Experience with Ansible.

RHCSA (Red Hat Certified System Administrator)

Come break things (in a good way). Then build them smarter.

We're the tech company everyone calls when things get weird. We don’t wear capes (they’re a safety hazard), but we do solve high-stakes problems with code, caffeine, and a healthy disregard for “how it’s always been done.”

Original Posting : August 15, 2025

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 $89,700.00 - $162,150.00

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.

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