Software systems engineer jobs in denver, co

Senior Software Engineer - Mission Systems Integration

Remote

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Today

About the Organization Now is a great time to join Redhorse Corporation. We are a solution-driven company delivering data insights and technology solutions to customers with missions critical to U.S. national interests. We're looking for thoughtful, skilled professionals who thrive as trusted partners building technology-agnostic solutions and want to apply their talents supporting customers with difficult and important mission sets. About the Role Redhorse transforms the way government uses d

Sponsored

Full-time

Sr. Software Systems Engineer (C#/.NET Developer)

Remote

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Today

Job ID: 2616718 Location: Remote Work, TX, US Date Posted: 2026-09-10 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: ORA_REMOTE Description SAIC is searching for a motivated, career and customer-oriented Sr. Software Engineer (C#/.NET Developer) who will work across EDI transaction processing, backend API develo

Full-time

USD 80,001.00 - 120,000.00 per year

Sr. Software Systems Engineer (C#/.NET Developer)

Remote

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Today

Job ID: 2616245 Location: Remote Work, TX, US Date Posted: 2026-08-28 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: ORA_REMOTE Description SAIC is searching for a motivated, career and customer-oriented Sr. Software Engineer (C#/.NET Developer) who will work across EDI transaction processing, backend API develo

Full-time

USD 80,001.00 - 120,000.00 per year

Software Systems Engineer Staff

Littleton, Colorado

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Today

Redwire's Littleton, CO facility is Made for the Mission, delivering mission-ready imaging and sensing technologies that support the most demanding robotic and human-rated space missions. The team provides both off-the-shelf and custom-designed cameras-from simple imagers to advanced machine-vision systems-engineered to endure the extreme conditions of spaceflight. These camera systems meet stringent performance and reliability requirements, ensuring precise, consistent results across diverse mi

Full-time

USD 120,000.00 - 165,000.00 per year

Senior Principal Software Systems Engineer

Boulder, Colorado

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Today

Basic Qualifications Education Requirements: Requires a Bachelor's degree in Systems Engineering, or a related Science, Engineering, Technology or Mathematics field. Also requires 10+ years of job-related experience, or a Master's degree plus 8 years of job-related experience. Agile experience preferred. Clearance Requirements: Department of Defense Secret security clearance is required at time of hire. Top Secret preferred. Applicants selected will be subject to a U.S. Government security in

Full-time

USD 183,381.00 - 193,409.00 per year

Advanced Software Systems Engineer

Boulder, Colorado

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Today

Basic Qualifications Education Requirements: Bachelor's degree in Systems Engineering, or a related Science, Engineering or Mathematics field, plus a minimum of 5 years of relevant experience; or Master's degree, plus a minimum of 3 years of relevant experience. Clearance Requirements: Department of Defense Secret security clearance is required at time of hire. Top Secret preferred. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requ

Full-time

USD 118,519.00 - 128,241.00 per year

Systems Engineer - Compute and Software Systems

Boulder, Colorado

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Today

SciTec, a wholly owned subsidiary of Firefly Aerospace, is a dynamic non-traditional defense contractor that delivers advanced technologies in support of U.S. National Security and Defense. For the past forty-five plus years, we have supported Department of Defense customers by developing innovative remote sensing algorithms, tools, and techniques to deliver world-class data exploitation capabilities supporting missile defense; intelligence, surveillance, & reconnaissance; space domain awareness

Full-time

USD 156,000.00 - 193,000.00 per year

Senior Software Systems Engineer, Autonomous Systems Validation Confidence

Remote or Sunnyvale, California

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Today

Job Description About the role We are looking for a Senior Software Systems Engineer to develop the methods, software, and quantitative evidence used to measure confidence in autonomous vehicle validation results. This role sits at the intersection of software engineering, systems engineering, simulation, statistics, and data science. You will help answer questions such as: Do our tests provide sufficient coverage? Are our metrics meaningful? Can simulation results predict real-world performan

Full-time

USD 153,200.00 - 234,100.00 per year

Senior Software Systems Engineer - Autonomous Vehicles

Remote or Sunnyvale, California

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Today

Job Description The Role You will be part of a team that drives systematic and data-driven improvements to autonomous vehicle software by designing, implementing, and maintaining robust processes for evaluation and validation. We are looking for a highly motivated individual with excellent analytical skills to own end-to-end execution, improve evaluation methodologies, and communicate insights that establish confidence in the quality of our end-to-end ML stack. In this position, you will work

Full-time

USD 153,200.00 - 234,100.00 per year

Cryogenic Systems Software Engineer 3

Centennial, Colorado

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Today

Requisition ID: 2086 Standard Weekly Hours: 40.00 Location: ULA - Denver Relocation: Yes- Relocation may be available Travel Requirements: 10% At ULA, success comes through the efforts of a strong, united team. Thanks for your interest in United Launch Alliance, the world's most experienced and reliable space launch company! Successfully launching more than 155 consecutive missions with 100% mission success doesn't happen by accident. It's a testament to the commitment and dedication of ou

Full-time

USD 113,122.00 - 188,537.00 per year

Software Systems Engineer II

Centennial, Colorado

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Today

Sierra Space Careers: At Sierra Space, we build the missions and systems that keep our world secure in the domain above Earth. Sierra Space team members share a spirit of innovation and collaboration and a belief that we can deliver on the boldest missions in space today. Together with our customers, we aim to safeguard our nation, sustain human presence in space, and secure the freedom of operations in low Earth orbit and beyond. Our success is measured by the trust of those who rely on what w

Full-time

USD 105,534.00 - 145,109.25 per year

Systems Engineer - Mission Software (Top Secret/SCI with CI Poly to start)

Littleton, Colorado

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Today

North Point Technology is looking to hire a Systems Engineer to support a cutting-edge geospatial intelligence data management program serving a major national security mission. This role requires an active Top Secret/SCI clearance with CI Polygraph. The program delivers advanced geospatial analysis and production capabilities, supporting thousands of intelligence analysts and decision-makers across dozens of locations worldwide. As part of an Agile SCRUM development team, the selected candidate

Full-time

Senior Spacecraft Systems Engineer - Software

Westminster, Colorado

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Today

At CesiumAstro, we are developers and pioneers of out-of-the-box communication systems for satellites, UAVs, launch vehicles, and other space and airborne platforms. We take pride in our dynamic and cross-functional work environment, which allows us to learn, develop, and engage across our organization. If you are looking for hands-on, interactive, and autonomous work, CesiumAstro is the place for you. We are actively seeking passionate, collaborative, energetic, and forward-thinking individuals

Full-time

USD 133,000.00 - 161,000.00 per year

Software Engineer - AI & Internal Systems

Denver, Colorado

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Today

Software Engineer, Internal Systems & AI About the Role Quindar is building The Grid: an AI-native system that connects how the entire company thinks, communicates, and executes. We're looking for an engineer to operate like a Forward Deployed Engineer except your customer is Quindar. You'll embed across Product, Engineering, Sales, Marketing, Programs, and Operations to understand how work gets done and then use software, AI agents, integrations, and automation to make it dramatically better

Full-time

USD 160,000.00 - 185,000.00 per year

Flight Software Engineer II, Space Systems

Broomfield, Colorado

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Today

Katalyst Description: Katalyst is an American technology company focused on dynamic space operations. We are building a fleet of dual-use multipurpose robotic space vehicles to create the future where maneuvering, upgrading, refueling, resupply and exploration are as routine as they are on Earth. Getting to space and overcoming the gravity well is only half the story. What you do there is the future. We are not building the trains. We are building the machines that lay down the tracks. By devel

Full-time

USD 115,000.00 - 155,000.00 per year

Power Systems Software Engineer

Remote

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30+d ago

Title: Power Systems Software Engineer Location: (REMOTE)- IF local to Indianapolis, IN Hybrid preferred Duration: 6-12 months Ideal Start date: August, no later than Sept 8th Background or Drug Screen required: YES Project Details: Develop a software tool to streamline transmission outage coordination and power system analysis.Build a prototype connecting EMS models and pulling data from MISO for operational planning.Automate outage coordination studies and utility/security analysis across M

Easy Apply

Contract

$55 - $65

Senior Systems Engineer, Watch Software

Boulder, Colorado

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Today

The watchOS Systems team is looking for a creative senior software engineer to help define the future of Apple Watch. Your core responsibility will be to build and optimize the foundational software that drives the device's performance and power efficiency. You will also have the unique opportunity to conduct investigative research, prototyping new technologies that will help define future hardware and software features. This role is perfect for a collaborative engineer who is passionate about t

Full-time

Systems Engineer

Aurora, Colorado

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Today

Job Title: Systems Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Continental US Anticipated Posting End: 12/31/2026 The Opportunity: This position is for a Systems Engineer in either Aurora, CO or King of Prussia, PA. You will be working closely with a talented team to deliver a complex software application into operations. You will play a critical role i

Full-time

USD 69,100.00 - 141,500.00 per year

Systems Engineer

Boulder, Colorado

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Today

Minimum Clearance Required Secret Responsibilities I2X Technologies is a reputable technology services company to the Federal Government. Whether the focus is on space exploration, national security, cyber security, or cutting-edge engineering applications, I2X is ready to offer you the chance to make a real-world impact in your field and for your country. We provide long-term growth and development. Headquartered in Colorado, I2X is engaged in programs across the country and in more than 20

Full-time

USD 180,000.00 - 186,000.00 per year

Principal Software Engineer, Geospatial Mission Systems

Remote

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Today

Position Summary MAG Aerospace is seeking a Principal Software Engineer, Geospatial Mission Systems to design, build, integrate, and sustain mission-critical situational-awareness software. This person will serve as a technical lead and subject-matter expert for applications that ingest radar and sensor data, manage geospatial information, and present air and surface tracks through intuitive map-based interfaces. The role remains close to implementation. The engineer will contribute production

Full-time

USD 180,000.00 - 240,000.00 per year

Software Engineer, Simulation Systems

Remote

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Today

About Aalyria: Aalyria is a leading technology company that supplies laser communications technology and temporospatial software-defined networking platforms to the aerospace industry. With technology acquired from Google, Aalyria is at the forefront of innovation in satellite and airborne mesh networks, as well as cislunar and deep-space communications. We are revolutionizing the orchestration and management of planetary mesh networks using any radio or optical spectrum, any orbit, and any har

Full-time

USD 140,000.00 - 170,000.00 per year

Software systems engineer jobs in Denver, CO, USA