Senior Software Developer, Systems Software

About DMI

DMI is a leading provider of digital services and technology solutions, headquartered in Tysons Corner, VA. With a focus on end-to-end managed IT services, including managed mobility, cloud, cybersecurity, network operations, and application development, DMI supports public sector agencies and commercial enterprises around the globe. Recognized as a Top Workplace, DMI is committed to delivering secure, efficient, and cost-effective solutions that drive measurable results. Learn more at www.dminc.com

About the Opportunity

DMI, LLC is seeking a Senior Software Developer for Systems Software to join us

Duties and Responsibilities

• The Senior Software Developer for Systems Software designs, develops, and delivers enterprise-grade software solutions supporting TSA’s mission-critical applications and IT infrastructure, including systems automation, integration middleware, APIs, and platform-level software components.
• This individual works within Agile and DevSecOps delivery frameworks to develop secure, scalable, and maintainable code that adheres to DHS and TSA software development standards and Section 508 accessibility requirements.
• The Senior Software Developer collaborates closely with systems engineers, cloud architects, and the O&M contractor to ensure that software deliverables are transition-ready and fully documented for sustainment.
• Key responsibilities include requirements analysis, software design, coding, unit and integration testing, code review, and the development of technical documentation including API specifications, developer guides, and runbooks.
• The Senior Software Developer also supports software migrations and modernization efforts—such as the transition of legacy systems to cloud-native platforms—and contributes to the capability development and testing activities defined in TALON task orders.
• The individual participates in 14-day operational testing periods post-transition and is available to support post-deployment troubleshooting in coordination with the O&M contractor.

Qualifications

Education and Years of Experience

• A minimum of 6 years of software development experience is required, with proficiency in relevant programming languages (e.g., Python, Java, .NET, JavaScript), API development, and DevSecOps toolchains including CI/CD pipelines, containerization (Docker/Kubernetes), and source control.
• Experience developing software in FISMA-governed federal environments and familiarity with DHS software security standards are preferred.
• All personnel must be U.S. citizens or Lawful Permanent Residents capable of obtaining TSA fitness determination and must be available to support after-hours deployments consistent with TSA’s change management schedule.

Background Requirements: Successful completion of a Public Trust background investigation and/or a Public Trust clearance.

Citizenship Status Required: Must be a U.S. Citizen

Physical Requirements: None required for this position.

Location: Remote, US

Working at DMI

DMI is a diverse, prosperous, and rewarding place to work. Our culture is shaped by five core values that guide how we work, grow, and succeed together:

• Do What’s Right – We lead with honesty and integrity.
• Own the Outcome – We take responsibility and deliver.
• Deliver for Our Customers – We are relentless about delivering value.
• Think Bold, Act Smart – We innovate with purpose.
• Win Together – We collaborate and celebrate our success.

These values aren’t just ideals—they show up in how we support every part of your well-being:

• Convenience/Concierge – Virtual health visits, commuter perks, pet insurance, and entertainment discounts that make life easier.
• Development – Annual performance reviews, tuition assistance, and internal career growth opportunities to help you thrive.
• Financial – Generous 401(k) matches, life and disability insurance, and financial wellness tools to support your future.
• Recognition – Annual awards, service anniversaries, referral bonuses, and peer-to-peer shoutouts that spotlight your achievements.
• Wellness – Healthcare coverage, wellness programs, flu shots, and biometric screenings to support your health.

DMI values employees for their talents and contributions, and we take pride in helping our customers achieve their goals. Because when we live our values, we all win together.

*************** No Agencies Please ***************

Applicants selected may be subject to a government security investigation and must meet eligibility requirements for access to classified information. US citizenship may be required for some positions.