Software Engineer – HPC Access Control

CTRL + LLC; Maryland; On-site; USD 126,000 - 163,000; Full time

Benefits offered by this job

10% employer 401(k) non-elective

Life insurance and disability coverage

Medical, dental and vision coverage

Employee Assistance Program

Dev certification reimbursement

Equipment reimbursement

Referral and retention bonus programs

Paid social and team events

Job summary

Ctrl+ LLC is seeking a security-focused software engineer to support DoD mission-critical workloads in Annapolis Junction, MD. The role requires in-person work with TS/SCI clearance and no sponsorship for new clearances.

You will build access-control software, develop Python and Rust services, and manage authentication for Linux HPC resources. The position emphasizes Linux administration, scripting, CI/CD, and collaboration in agile environments.

Qualifications

• 5 years of relevant experience and a bachelor’s degree in Computer Science or related field.
• Proficient with Linux command-line tools, Bash, Python and Rust development.
• Experience with Ansible and Linux ACLs/permissions; GitLab CI and Git workflows.
• Familiarity with Agile, Scrum or SAFe.

Responsibilities

• Implement authentication and authorization for Linux HPC resources.
• Develop Python and Rust services.
• Maintain access control lists and permissions.
• Automate configuration and administrative workflows.
• Test and deliver changes through CI/CD.

Skills

Linux

Bash

Python

Rust

Ansible

Authentication ACLs

Linux administration

GitLab CI

Agile methodologies

Git

Education

Bachelor's degree in Computer Science or related discipline

Tools

Docker

Podman

containerd

Jira

Confluence

Job description

Work location: Annapolis Junction, MD

Work arrangement: On-site

Required Clearance: TS/SCI with polygraph

Applicants must currently hold an active TS/SCI with polygraph. Ctrl+ does not sponsor new security clearances or clearance upgrades. Applicants who do not meet this requirement cannot be considered.

Location & In-Person Requirement

All positions require in-person work. Applicants must live within commuting distance of the listed work location to be considered. Some roles may allow limited telework, but regular on-site attendance is required. These are not fully remote positions.

Your next challenge

Build the guardrails that protect powerful computing resources. Develop access-control software that balances mission usability with strong security.

The mission

Support advanced computing, data analytics and enterprise infrastructure that help mission teams work with demanding workloads and shared technical services.

What you’ll do

• Implement authentication and authorization for Linux HPC resources
• Develop Python and Rust services
• Maintain access control lists and permissions
• Automate configuration and administrative workflows
• Test and deliver changes through CI/CD

What you’ll bring

• 5 years of relevant experience. Bachelor’s degree in Computer Science or a related discipline from an accredited college or university.
• Linux command-line tools
• Bash and Python scripting
• Recent Python and Rust development
• Ansible
• Authentication, authorization, access control lists and HPC permissions
• Linux user and group administration
• GitLab CI
• Agile, Scrum or SAFe
• Git

Preferred qualifications

• Docker, Podman or containerd
• Jira and Confluence

Compensation and flexibility

$91.32–$118.63 per hour in approximate pay; employer 401(k) contribution is additional.

Compensation: The listed range reflects approximate hourly pay across our compensation models and excludes Ctrl+’s employer 401(k) contribution. Your hourly pay will vary based on qualifications, experience, and the compensation model you select. The lower end reflects a no-bonus option with five weeks of PTO; the upper end reflects the Max Rate option without bonus or PTO.

Choose from three compensation models: Max Rate, With Bonus, or With Bonus and PTO. Offers include a projected five-year compensation comparison and a package comparison sheet. PTO and bonuses depend on the selected model and role eligibility.

Why Ctrl+?

Ctrl+ is a software engineering and staffing firm based in Elkridge, Maryland, supporting Department of Defense missions in the Fort Meade area and other listed locations. Founded by two college roommates, Brad and Bhavin, Ctrl+ brings a close-knit team approach, with founders who work on contracts alongside employees.

Benefits include:

• 10% employer 401(k) non-elective contribution
• Employer-paid life insurance and short- and long-term disability insurance
• Medical, dental and vision coverage options
• Employee Assistance Program
• Professional development and certification reimbursement
• Technology and ergonomic equipment reimbursement, subject to eligibility
• Referral and retention bonus programs, subject to eligibility
• Paid social and team events

Equal Opportunity Employer

Ctrl+ is an equal opportunity employer. We consider all qualified applicants without regard to race, color, religion, sex (including pregnancy, sexual orientation, and gender identity), national origin, age, disability, genetic information, marital status, military or veteran status, or any other characteristic protected by applicable law. Hiring decisions are based on qualifications, experience, and job requirements. Reasonable accommodations are available to qualified applicants with disabilities during the application and hiring process.