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HPC Software Engineer L3 Annapolis Junction, MD

Job in Annapolis, Anne Arundel County, Maryland, 21403, USA
Listing for: Trexllc
Full Time position
Listed on 2026-03-01
Job specializations:
  • IT/Tech
    Systems Engineer, Cybersecurity
Salary/Wage Range or Industry Benchmark: 80000 - 100000 USD Yearly USD 80000.00 100000.00 YEAR
Job Description & How to Apply Below
Position: HPC Software Engineer L3 Annapolis Junction, MD 02-19-2026

Technology Resource Experts, LLC is looking for an experienced HPC Software Engineer to join their rapidly growing team!

Requires an active TS/SCI Poly security clearance

Description:
  • The HPC Software Engineer designs, develops, tests, deploys, documents, maintains, and enhances complex and diverse software for HPC (high performance computing) systems based upon documented requirements.
  • Critical for an HSE is either a very strong math background and/or a very strong computer hardware background.
  • One or both of these is required in order for the HSE to be able to understand the intricacies of the HPC architecture that is being targeted by the software being developed, or to understand the complex mathematical principles which underlie the software applications being developed.
  • The HPC systems might include, but are not limited to, processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, and systems which incorporate data repositories, data transport services, and application and systems development and monitoring.
  • Works individually or as part of a team.
  • Reviews and tests software components for adherence to the design requirements and documents test results.
  • Resolves software problem reports.
  • Utilizes software development and software design methodologies appropriate to the development environment.
  • Provides specific input to the software components of system design to include hardware/software trade-offs, software reuse, use of Open Source Software (OSS) and/or Commercial Off-The-Shelf (COTS)/Government Off-The
    - Shelf (GOTS) software in place of new development, and requirements analysis and synthesis from system level to individual software components.
  • Working knowledge of Configuration Management (CM) tools and Web Services implementation.
Work expected:

STE/STN automation and monitoring sustainment

  • Frontend hardening
  • Utility frontdoor and courier containers
Container security
  • Latte Art IAVM, PO&AM etc.
RBAC and CMS product creation & sustainment
  • Mapping of roles to permission sets
General solution security
  • Background hardening, as applicable
  • Security reviews and audits for other team’s products
Knowledge
  • Security expertise at the design and implementation level
Standard Day-to-Day:
  • Define, develops, tests, and deploys components of the solution
  • Works with an Agile team to create and refine user stories and acceptance
  • Collaborates with other team member to build and test software and hardware components
  • Participate in daily stand-up/scrums meetings
  • Conduct research, prototyping, and exploration activities
  • Develops, maintains, and enhances complex and diverse infrastructure as code (IaC) for large-scale computing systems
  • Works with installation, configuration, testing, and operational management of system solutions
Required Skills/

Experience:
  • Linux, Linux tools
  • Infrastructure automation technology:
    Ansible, Salt Stack, Puppet, Chef, Terraform, etc.
  • Willing and able to learn Ansible
  • Adapting to and adhering to project-specific Ansible coding standards
  • Familiar with and able to perform full software-development lifecycle support with version-control tools (Git, Git Lab)
  • Works independently, as well as with a team, to ensure that all components are functioning properly
  • Stays abreast of the latest industry trends in both open source and commercial solutions. Supports determination of if-and-when to incorporate them into an IAC solution
  • Communicative, collaborative, and organized
  • Willing and able to learn new tools, protocols, custom software, firmware, and hardware
Nice to Have Skills/

Experience:
  • Programming in Ansible
  • Bash scripting
  • Python
  • Container orchestration technologies
  • Rancher Kubernetes Engine 2 (RKE2)
  • Best practices in Dev Sec Ops , system administration, infrastructure network services (DNS, DHCP, PXE, NTP, etc.)
  • Security concepts pertaining to one or more of: identity and access management (IAM), access control, secrets management, and/or any security products related to these concepts
  • Security architecture
  • Cloud security
  • Red Hat IDM, Keycloak, Hashi Corp Vault, Delinea/Centrify
Qualifications
  • Requires an active TS/SCI with Polygraph with poly within the last 5 years
Employee Freedom of Choice

Our focus is on people first. We offer comprehensive and flexible compensation packages that match the best the industry has to offer and can be customized to fit your needs.

Our Benefits:
  • 100% company-paid health, dental, and vision premiums
  • Automatic company contributed Health Savings Account (HSA) up to $3,900 for families
  • Up to 7 weeks of Paid Time Off (PTO)
  • Automatic 401k Investment
  • Paid 11 Federal Holidays
  • Blue Cross Blue Shield Health Insurance
  • Tuition/Training Reimbursement
  • Access to Ravens season tickets in club level
  • Company-paid golf events for your time and course fees

If you didn't find the perfect fit among our openings, feel free to reach out to  or submit your application here!

We're always looking for exceptional talent and would be delighted to notify you about new opportunities!

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