As an HPC Application Manager, you will be responsible for the full lifecycle management of a defined portfolio of scientific and engineering software. Your primary focus will be ensuring the stability, performance, and availability of this software for users within a large-scale High-Performance Computing (HPC) environment. This position directly supports the research and development activities of the DoD High Performance Computing Modernization Program (HPCMP). The HPCMP provides large-scale systems and environments to the DoD RDT&E community which supports the warfighter.
About the Team:
The Application Manager is part of a larger team of system administrators and support specialists responsible for operating and maintaining the HPC infrastructure. The team environment values methodical problem-solving, adherence to established procedures, and a strong commitment to user support.
RESPONSIBILITIES:
The duties for this position include but are not limited to:
- Software Management: Install, configure, and maintain complex software packages on multiple Linux-based HPC systems.
- User Support: Provide direct technical support by responding to and resolving user-submitted ServiceNow tickets for the assigned application portfolio.
- Troubleshooting: Diagnose and resolve complex application failures, including OS-level issues such as library dependencies and driver conflicts.
- Validation & Testing: Test and validate application functionality through system changes like maintenance, OS upgrades, and new system deployments.
- Maintenance: Deploy software patches and updates to resolve bugs and address security vulnerabilities.
- Compliance: Ensure all software management tasks adhere to established Standard Operating Procedures (SOPs), including formal Request for Change (RFC) processes.
- Collaboration: Collaborate with internal technical teams and external software vendors as necessary to resolve complex application-related issues.
QUALIFICATIONS:
Clearance & Certification Requirements:
- Active SECRET clearance (US Citizenship required).
- Active 8570.01M/IAT-II certification.
Required Experience:
- A bachelor’s degree and 2+ years of related experience, OR an equivalent combination of education and experience including familiarity of an HPC environment.
- Demonstrated experience installing and managing software in a Linux/UNIX command-line environment.
- Experience with shell scripting in a Linux environment.
- Experience troubleshooting software installation and runtime issues (e.g., library dependencies, environment variables).
- Experience providing user support via a ticket-based system (e.g., ServiceNow).
Highly Desirable & Preferred Experience:
- Experience with MATLAB in an HPC context (installation, configuration, troubleshooting).
- Experience compiling applications from source code (make, CMake), particularly for GPU-enabled codes using platforms like CUDA or KOKKOS.
- Familiarity with common HPC technologies, including schedulers (PBS, SLURM), interconnects (InfiniBand), and architectures (Cray EX, Linux clusters).
- Experience with HPC package managers (Spack) and version control systems (GitLab).
- Experience supporting other scientific applications such as Tecplot, FieldView, Pointwise, or Gitlab Runner.
Abilities Required:
- Strong, methodical problem-solving skills for diagnosing application-level issues.
- Excellent detail-orientation with the ability to follow complex procedural and administrative protocols.
- Ability to clearly convey technical information to users of all skill levels.
- Ability to work effectively as part of a larger technical team within defined role boundaries.
- Ability to work a designated schedule while maintaining attendance and punctuality.
- Demonstrated ability to rapidly learn the technical specifics of new and existing software packages.
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 7, 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
- A bachelor's degree and 2+ years of related experience
- Active SECRET clearance
- Active 8570.01M/IAT-II certification
- Experience installing and managing software in Linux/UNIX
- Experience with shell scripting in Linux
- Experience troubleshooting software installation and runtime issues
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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