Principal / Sr Principal Algorithms Software Engineer

Auria; Chicago (IL); On-site; USD 155,000 - 180,000; Full time

Benefits offered by this job

401(k) Match

Tuition reimbursement

Health insurance

Paid time off

Disability insurance

Life insurance

Job summary

Auria is seeking a Principal / Sr Principal Algorithms Software Engineer to design, develop, and test sophisticated algorithms for missile tracking. This on-site role is based in Boulder, CO and requires strong C++ and Python skills, along with deep mathematical analysis and state estimation expertise.

You will work in a fast-paced R&D environment, bridging theory and practical implementation while contributing to mission-critical software and tools destined for national security applications.

Qualifications

• Minimum security clearance must be active in-scope U.S. Government.
• Experience with Python and/or C++ in software development.
• Linux experience and familiarity with common utilities.

Responsibilities

• Develop data analysis and algorithms for missile tracking.
• Develop and analyze tracking and state estimation algorithms.
• Prototype and tool development using Modern C++ and Python.
• Document algorithms and results; communicate findings across teams.
• Collaborate with cross-discipline teams and engineers.

Skills

C++

Python

Algorithms

State estimation

Data analysis

Linux

Software development

Mathematics

Communication

Education

Bachelor's Degree

Master's Degree

PhD

Tools

grep

awk

cat

head

Job description

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:Principal / Sr Principal Algorithms Software Engineer

Location: Boulder, CO

Job Id:13855-BOA

# of Openings:1

Auriais looking to hire aPrincipal / Sr Principal Algorithms Software Engineerto support the BOA program.This role is ONSITE in Boulder, CO.

As a Principal / Senior Principal Algorithms Software Engineer on the BOA/ESL Team, you will be responsible for designing, developing, testing, documenting, and debugging software and complex mathematical algorithms. This fast-paced and cutting-edge research and development environment will rely on your familiarity with modern software practices. You are expected to communicate technical information effectively and clearly, and present technical approaches and findings. Our team of motivated technical talent works closely with the end user (and each other) to ensure the direct mission applicability of developed products.

WHAT YOU CAN EXPECT TO DO:

• Breadth and depth in the application of mathematics to perform data analysis and algorithm development for missile tracking applications.
• Development and performance analysis of tracking and state estimation algorithms.
• Tool and prototype development using Modern C++ and Python.
• Algorithm defect tracking and resolution.
• Technical Documentation as required.
• Work in cross-discipline teams and communicate clearly across various levels of engineers.

WHAT THE TEAM REQUIRES:

• Mission-Driven Professional: Collaborative contributor motivated by the opportunity to develop cutting-edge solutions that protect and serve both the nation and the world.
• Principal Algorithm Software Engineer (Level 3): Bachelor’s Degree in a STEM (Science, Technology, Engineering or Mathematics) discipline preferred from an accredited university and5 years of related experience, or a Master’s degree in a STEM discipline and 3 years experience, or a PhD and 1 year of experience.
• Sr. Principal Algorithm Software Engineer (Level 4): Bachelor’s Degree in a STEM (Science, Technology, Engineering or Mathematics) discipline preferred from an accredited university and8 years of related experience, or a Master’s degree in a STEM discipline and 6 years experience, or a PhD and 4 year of experience.
• Applicants must have a minimum of 1 year of software development experience with Python and/or C++.
• Applicants must have Linux experience and working knowledge of common utilities like grep, awk, cat head, etc.
• Experience developing, analyzing, testing, and implementing extendable / reusable algorithms.
• Applicants must have algorithm design and state estimation experience.
• Experience with data analysis - Population statistics and trend identification.
• The ability to bridge between theoretical concepts and practical implementation.
• Ability and willingness to travel up-to 10% to support business needs.
• Applicants must have a current active in-scope U.S. Government issued Secret security clearance at the time of application which is required to start; with the ability to obtain and maintain a TS/SCI clearance.

WHAT THE TEAM PREFERS:

• A current active in-scope U.S. Government DoD issued Top Secret security clearance.
• Strong statistical background and skills.
• Experience in tracking and prediction algorithms, simulation, and validation.
• Experience with multiple hypothesis tracking.
• Experience in the numerical implementation of motion filters.

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

Who You Are Matters

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.

growth

The Further You Go, The Farther We Get

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.

What You Do Counts

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.

Competitive salaries and performance-based raises

Performance-based incentive bonuses

Health insurance

Short- and long-term disability insurance

Life insurance

Vision insurance

Auria matches dollar for dollar on deferral contributions up to 4%