Senior Java Software Engineer Jobs in Longmont, CO

At Auria, we believe in elevating people to achieve the extraordinary. We understand that the mission relies on each team member’s dedication and contributions and seek individuals with the desire to be part of something bigger and the courage to invest themselves in the outcomes.

Position:Sr. Principal Software Engineer

Location: Boulder, CO

Job Id:13852-BOA

# of Openings:1

Auriais looking to hire a Sr. Principal Software Engineerto support the Ballistic Missile Defense System (BMDS) Overhead Persistent Infrared (OPIR) Architecture (BOA) program. BOA is the Missile Defense Agency’s next-generation Overhead Persistent Infrared (OPIR) architecture providing automated, real-time missile detection, tracking, and threat classification with advanced data fusion to deliver precise, high-fidelity 3D intelligence. The position is located on-site in Boulder, CO.

As a Sr. Principal Software Engineer, you will be responsible for the design, development, documentation, testing, deployment, and debugging of software applications. This includes researching, identifying, and implementing solutions to complex, multi-disciplinary software problems and providing technical leadership across the team.

WHAT YOU CAN EXPECT TO DO:

• Implement new features that integrate smoothly with pre-existing systems.
• Develop software using Agile methodologies, participating in and often leading team ceremonies.
• Utilize Jira to document and track bugs, enhancements, and user stories.
• Provide software engineering support for multi-language (C/C++, Python, and Java) and complex software systems.
• Enhance usability, performance, and maintainability of systems through analysis, refactoring, and defect resolution.
• Coordinate, integrate, and resolve defects in conjunction with the test team.
• Mentor junior and mid-level engineers, providing technical guidance and code reviews.
• Contribute to and influence the technical direction and architecture of assigned software components.

WHAT THE TEAM REQUIRES:

• Education/Experience (Software Engineer 4 / Sr. Principal Software Engineer): Bachelor’s Degree in a STEM (Science, Technology, Engineering or Mathematics) discipline from an accredited university and 9 years of related experience;OR a Master’s degree in a STEM discipline and 7 years of related experience;OR a PhD in a STEM discipline and 4 years of related experience.
• An active in-scope U.S. Government DoD Secret security clearance is required to start, with the ability to obtain and maintain a Top Secret/SCI (TS/SCI) security clearance.
• Experience working in aLinuxenvironment.
• Proficiency inC/C++andPython.
• Experience withObject-Oriented Programming (OOP).
• Experience withOOP design patternsand moderndata structures.
• Demonstrated software development and troubleshooting experience in a team environment.
• Experience withlegacy softwareandmodernizationefforts.
• Ability and willingness to travel up to10%to support business needs.
• Mission-Driven Professional: Collaborative contributor motivated by the opportunity to develop cutting-edge solutions that protect and serve both the nation and the world.

WHAT THE TEAM PREFERS:

• Experience withconfiguration managementsoftware (e.g., Git, Conan, CMake, Nexus, etc.).
• Experience withJavaandshell scriptinglanguages (e.g., Bash).
• Experience withAgile developmentpractices.
• Experience using theAtlassian Tool Suite(e.g., Jira, Confluence, Bitbucket).
• Demonstratedtechnical leadershipexperience (task lead, feature lead, or mentoring).
• Experience across thefull software development lifecycle(requirements, design, implementation, integration, test, deployment, and sustainment).

PAY TRANSPARENCY: The salary offered will be based on the selected candidate’s qualifications - skills, education & experience - and the position level. $155,000 - $180,000

APPLICATION DEADLINE: October 22, 2026

THE AURIA TEAM:

Auria is a provider of solutions and software in support of complex Space, National Security, and Cyber missions of federal, international, and commercial customers. Headquartered in Colorado Springs, CO our success is built on the excellence of diverse teams advancing innovative systems and operational software to strengthen our customers’ missions. With a distinguished track record and a spirit of relentless pursuit, and R&D, we set the pace for progress and execute every mission with the utmost precision.

Why You’ll Love Working at Auria

We believe our team does their best work when they are well-supported, financially secure, and have the freedom to balance life outside of the office.

Time for What Matters

• Generous & Growing PTO: Start with a substantial paid time off package that increases every year you’re with us.
• True Flexibility: Contract permitting, use Flex Time to work in a way that fits your life, not just your 8-to-5.
• 11 Paid Days Off: Enjoy 6 fixed company holidays plus 5 Floating Holidays to use whenever you choose.

Invested in Your Future

• 401(k) Match —Yours to Keep Instantly: We match up to 4% of your contributions . B oth your contributions and the company match are yours from day one with no vesting wait-period.
• Industry-Leading Education Support: Level up with up to $12,000 annually for tuition and certifications. We don't just hire talent; we grow it.

Health & Peace of Mind

• Premium Healthcare, Lower Costs: High-quality medical plans paired with a Company-Sponsored HSA to help you save for the future.
• Fully Covered Life Insurance: Breathe easy with life insurance up to $50K provided at zero cost to you.
• Holistic Support: Access our Employee Assistance Program (EAP) for mental health, financial coaching, and more.

...and that’s just the beginning!

Auria is committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity/Affirmative Action-Employer, making decisions without regard to race, color, religion, sex, sexual orientation, gender identity, genetic information, marital status, national origin, age, veteran status, disability, or any other protected class.

As a proven leader in Engineering and Technology solutions for the Department of Defense and civil organizations, our teams provide leading expertise in Software and Systems Engineering, Cyber Solutions, and Specialized Mission Operations that advance critical missions.

When you join Auria, you become part of a team with a deep sense of responsibility and purpose. We foster an environment of collaboration, support, and growth, where you can rise together with your colleagues and make a real difference.

Our culture is built on
three key pillars:

Diversity is at the heart of our success. We celebrate unique perspectives that challenge the norm and drive innovation. Auria is committed to promoting inclusivity and providing equal opportunities for everyone. We believe that diverse backgrounds and experiences enrich our teams and contribute to our collective excellence.

Your growth matters to us. We share your vision and are with you every step of your journey to higher places. At Auria, we provide ample opportunities for professional and personal development. As you grow, so does our organization, advancing toward even greater achievements together.

At Auria, we seek individuals with the desire to be part of something bigger and the courage to invest themselves in the outcomes. We understand that the mission relies on each team member’s dedication and contributions. Your work will have a direct impact on shaping the future of space exploration and solving global challenges.

Enjoy competitive salaries, comprehensive benefits, tuition reimbursement, 401k matching, incentive bonuses, and a rewarding work environment with a 20-year track record of success.

Join us on this exciting journey to make a difference and shape the future.