SE Linux / MLS SysAdmin

Lockheed Martin • Full-time • Clifton, VA, United States, VA, United States • 1d ago

Job ID: 716494BR
Date posted: Feb. 03, 2026

Description:Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more - we can innovate, invest, inspire and integrate our capabilities to transform the future.

At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We're creating future-ready solutions, focusing on resiliency and urgency through our 21st Century Security® vision. We're erasing boundaries and forming partnerships across industries and around the world. We're advancing spacecraft and the workforce to fuel the next generation. And we're reimagining how space can connect us, ensuring security and prosperity.

Join us in shaping a new era in space and find a career that's built for you.

Lockheed Martin provides Red Hat Enterprise Linux (RHEL) based High Performance Computing (HPC) services through the HPC lifecycle for computational requirements, architecture, acquisition, and operations to federal government customers. Our employees embrace automation, innovation, and are committed to a culture of continuous, standards-driven process improvement and assimilation of industry best practices. CSCF provides key supercomputing capabilities for solving important problems in science and technology. CSCF is involved in efforts to develop scientific software and libraries for HPC platforms. The tasks involve working on cutting edge HPC technologies to ensure that scientists and engineers will be able to fully utilize modern HPC systems.

We are seeking a SE Linux Based MLS Linux Administrator SME for our enterprise MLS configuration team which includes our Centralized Supercomputing Facility (CSCF) High Performance Computing and other contracts.

You will be an active member of the Enterprise MLS team working many and varied Red Hat Enterprise Linux (RHEL) SE Linux based configuration, policy, and development projects including full automation of configuration deployments.

The Enterprise MLS team is responsible for developing all aspects of secure, enterprise level MLS configurations through deployment, training, and problem solutions for deployed configurations. You will work closely with the contract Chief Architect, Dev/Sec/Ops SME/Lead and their teams to ensure the Enterprise MLS product meets requirements and fully support each program's needs.

An individual should have demonstrated his/her problem-solving ability.

We are looking for an individual with a majority of the experience listed.

Duties and Responsibilities:
• Develops, configures, and maintains integrated Red Hat Enterprise Linux/SE Linux Mandatory Access Control (MAC) configurations across multiple systems, networks, and NAS storage based on current LM configuration approach
• Work closely with the Dev/Sec/Ops automation development team to deploy RHEL SE Linux MLS configurations based on site specific input files
• Work closely with the security team to ensure RMF, RTB, and other security controls are met and fully documented
• Manage impacts to system HPC performance ensuring minimal impacts
• Apply best practices in software engineering, delivering projects on time and with excellent quality
• Provide support to staff and end users to resolve issues in deployed configurations
• Modify existing software to correct errors and/or improve performance
• Ensure InfiniBand high speed fabrics operate correctly with MAC labeling
• Ensure MLS networking meets controls requirements

Must have active TS//SCI with CI Poly to start
Basic Qualifications:
• Bachelor's degree in Computer Science or an AIS degree required plus 10 years of experience
• A minimum of 5 years of experience developing system software in heterogeneous, multi-platform environments
• Proficiency with all aspects of SE Linux configuration, policy, MAC labeling, Security contexts, debugging policy issues, MLS FreeIPA, MLS Ethernet interface networking, developing least access policies, etc.
• Proficiency in Bourne/Bash and Expect scripting
• Proficiency in debugging issues with the Linux kernel including examining source code, system logs, and using tools such a crash and systemtap.
• Experience with managing Satellite repositories to apply patches and build custom kernels as required to implement functionality or address security concerns
• Familiarity with automating approaches to configuring and maintaining (e.g. patching) systems using Ansible and Satellite Server
• Understanding and experience working with identity management systems including LDAP and token-based authentication systems

Must have active TS/SCI with CI Poly to start
Desired Skills:
• Familiarity with High Performance Computing (HPC) environment and related technologies
• Familiarity with Infiniband or Omni-Path high speed fabrics, including subnet management, IPoIB and/or IPoOPA mechanisms, fabric topology and health monitoring and integration with MPI
• Experience with Lustre, NFS, and other direct attach file systems
• Experience with Ethernet networking
• Experience with RDMA communications (InfiniBand and OmniPath)
• Knowledge of Python, Perl, Korn, and other shell scripting
• Experience with revision control software (CVS, SVN, Git)
• Demonstrated organization skills to balance and prioritize work, and ability to multitask
• Demonstrated communication skills to communicate with support personnel, customer, and managers
• Excellent written and oral communication and people skills; excellent time management and organizational skills
• Demonstrated ability to analyze, debug and maintain the integrity of an existing scripting base

#LMSpaceSystemsEng
#LMSpaceSoftwareEng
Security Clearance Statement: This position requires a government security clearance, you must be a US Citizen for consideration.
Clearance Level: TS/SCI w/Poly
Other Important Information You Should Know
Expression of Interest: By applying to this job, you are expressing interest in this position and could be considered for other career opportunities where similar skills and requirements have been identified as a match. Should this match be identified you may be contacted for this and future openings.
Ability to Work Remotely: Onsite Full-time: The work associated with this position will be performed onsite at a designated Lockheed Martin facility.
Work Schedules: Lockheed Martin supports a variety of alternate work schedules that provide additional flexibility to our employees. Schedules range from standard 40 hours over a five day work week while others may be condensed. These condensed schedules provide employees with additional time away from the office and are in addition to our Paid Time off benefits.
Schedule for this Position: Standard Monday to Friday 40 hour work week
Pay Rate: The annual base salary range for this position in California, Massachusetts, and New York (excluding most major metropolitan areas), Colorado, Hawaii, Illinois, Maryland, Minnesota, New Jersey, Vermont, Washington or Washington DC is $99,700 - $175,835. For states not referenced above, the salary range for this position will reflect the candidate's final work location. Please note that the salary information is a general guideline only. Lockheed Martin considers factors such as (but not limited to) scope and responsibilities of the position, candidate's work experience, education/ training, key skills as well as market and business considerations when extending an offer.
Benefits offered: Medical, Dental, Vision, Life Insurance, Short-Term Disability, Long-Term Disability, 401(k) match, Flexible Spending Accounts, EAP, Education Assistance, Parental Leave, Paid time off, and Holidays.
(Washington state applicants only) Non-represented full-time employees: accrue at least 10 hours per month of Paid Time Off (PTO) to be used for incidental absences and other reasons; receive at least 90 hours for holidays. Represented full time employees accrue 6.67 hours of Vacation per month; accrue up to 52 hours of sick leave annually; receive at least 96 hours for holidays. PTO, Vacation, sick leave, and holiday hours are prorated based on start date during the calendar year.
This position is incentive plan eligible.
Lockheed Martin is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics.
The application window will close in 90 days; applicants are encouraged to apply within 5 - 30 days of the requisition posting date in order to receive optimal consideration.
At Lockheed Martin, we use our passion for purposeful innovation to help keep people safe and solve the world's most complex challenges. Our people are some of the greatest minds in the industry and truly make Lockheed Martin a great place to work.

With our employees as our priority, we provide diverse career opportunities designed to propel, develop, and boost agility. Our flexible schedules, competitive pay, and comprehensive benefits enable our employees to live a healthy, fulfilling life at and outside of work. We place an emphasis on empowering our employees by fostering an inclusive environment built upon integrity and corporate responsibility.

If this sounds like a culture you connect with, you're invited to apply for this role. Or, if you are unsure whether your experience aligns with the requirements of this position, we encourage you to search on Lockheed Martin Jobs, and apply for roles that align with your qualifications.
Experience Level: Experienced Professional
Business Unit: SPACE
Relocation Available: Possible
Career Area: Systems Engineering: Other
Type: Full-Time
Shift: First

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