Software Engineer III Jobs in Colorado

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Network Security Engineer III (25-187) E4 / COS-83

Apex Systems

•

Colorado Springs, Colorado, USA

Full-time

Job#: 2077602 Job Description: CANDIDATES MUST HOLD AN ACTIVE SECRET SECURITY CLEARANCE TO BE CONSIDERED FOR THE ROLE AND WORK AS A W2/USC 25-187 Network Security Engineer NES E4 COS-83 Top Secret IAT - Level II Must have a Bachelor of Science Degree with 5 or more years of experience or a Master of Science Degree with 3 years of experience. Degrees must be in a relevant field of study.Must have an IAT Level II (8570) Compliant Certification such as Security+ CE, CASP+CE, GSEC, SSCP, CND, GICS
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Posted 22 days ago | Updated 3 hours ago

Test Engineer III - Honeybee Robotics (MC)

Blue Origin, LLC

•

Longmont, Colorado, USA

Full-time

Application close date: Applications will be accepted on an ongoing basis until the requisition is closed. At Blue Origin, we envision millions of people living and working in space for the benefit of Earth. We're working to develop reusable, safe, and low-cost space vehicles and systems within a culture of safety, collaboration, and inclusion. Join our team of problem solvers as we add new chapters to the history of spaceflight! As a member of the Blue Origin family of companies, Honeybee Robo
Posted 45 days ago | Updated 11 hours ago

Platform Engineer III

AFLAC

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Remote

Full-time

Salary Range: $95,000 - $140,000 Job Posting End Date: 7/15/25 We've Got You Under Our Wing We are the duck. We develop and empower our people, cultivate relationships, give back to our community, and celebrate every success along the way. We do it all The Aflac Way . Aflac, a Fortune 500 company, is an industry leader in voluntary insurance products that pay cash directly to policyholders and one of America's best-known brands. Aflac has been recognized as Fortune's 50 Best Workplaces for Div
Posted 60+ days ago | Updated 4 hours ago

Cisco UC/Voice/UCCE/UCCX/PCCE Tier III Engineer

Brezo Business Solutions LLP

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Remote

Contract

Cisco UC/Voice/UCCE/UCCX/PCCE Tier Engineer Working Hours: 4 - 10 hr staggered shifts as indicated on draft shift schedule for Eastern Time Zone Estimated Duration: 12-36 months Clearance: Must be able to pass a Public Trust type background check with fingerprinting and drug screening Requirements: Bachelor s degree required or equivalent experience. Five (5) years minimum experience in the Voice/Unified Communications, Unity, Unified Contact Center Enterprise (UCCE), AND Package Contact Cen
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Posted 1 day ago

RF Engineer, Senior (Level III) - Board Design

Lockheed Martin Corporation

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Littleton, Colorado, USA

Full-time

Job Description Space is a critical domain, connecting our technologies, our security, and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more - we can innovate, invest, inspire, and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We're creating future-ready solut
Posted 30 days ago | Updated 2 hours ago

Information Security Engineer III, Application and Cloud Security Lead

Mass General Brigham

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Remote or Somerville, Massachusetts, USA

Full-time

Site: Mass General Brigham Incorporated Mass General Brigham relies on a wide range of professionals, including doctors, nurses, business people, tech experts, researchers, and systems analysts to advance our mission. As a not-for-profit, we support patient care, research, teaching, and community service, striving to provide exceptional care. We believe that high-performing teams drive groundbreaking medical discoveries and invite all applicants to join us and experience what it means to be par
Posted 60+ days ago | Updated 2 hours ago

Software Developer III

General Atomics

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Boulder, Colorado, USA

Full-time

Job Summary General Atomics Aeronautical Systems, Inc. (GA-ASI), an affiliate of General Atomics, is a world leader in proven, reliable remotely piloted aircraft and tactical reconnaissance radars, as well as advanced high-resolution surveillance systems. We have an exciting opportunity for an Autonomy Software Engineer in Poway, CA. The Autonomy and Artificial Intelligence Solutions Software group is charted to develop and deploy end-to-end autonomous systems that enable unmanned aerial syste
Posted 60+ days ago | Updated 2 hours ago

Firmware Engineer III

Sierra Nevada Corporation

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Remote or Lone Tree, Colorado, USA

Full-time

The multi-disciplinary SNC Digital RF Projects team supports a group of efforts developing and sustaining next generation communications, signals intelligence (SIGINT), and electronic warfare capabilities for the Department of Defense. We are looking for experienced Engineers to join our team of bold thinkers to leverage the best practices in Agile development to deliver state of the art capabilities in support of our nation's warfighters. We dream big at Sierra Nevada Corporation-advocating th
Posted 60+ days ago | Updated 2 hours ago

Electrical Engineer III, Avionics Harness Engineer, Orion

Lockheed Martin Corporation

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Remote or Florida, USA

Full-time

Job Description Join Our Team as a Electronics Engineer where you will work on the integration and support of systems in the Orion program. Location: This position does not support teleworking;the selected candidate will be located near our Lockheed Martin Space facility in: Kennedy Space Center FL and be expected to work in the office full-time. Space is a critical domain, connecting our technologies, our security, and our humanity. While others view space as a destination, we see it as a re
Posted 13 days ago | Updated 2 hours ago

ASIC/FPGA Design Engineer III

Lockheed Martin Corporation

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Remote or San Diego, California, USA

Full-time

Job Description Join Our Team as an ASIC & FPGA Design Engineer where you will support over 50 different programs and research and development (R&D) efforts, affecting technology across military space, civil space, commercial space, missiles, missile defense platforms, satellite surveillance platforms, deep space exploration, and manned flight missions. Location: Although this position does support some teleworking; the selected candidate will need to be located near our Lockheed Martin Space f
Posted 60+ days ago | Updated 2 hours ago

Tier III Engineer Long Haul Fiber Solutions

SAIC

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Aurora, Colorado, USA

Full-time

Job ID: 2506460 Location: AURORA, CO, US Date Posted: 2025-06-06 Category: Engineering and Sciences Subcategory: Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description JOB DESCRIPTION: SAIC is seeking a long-haul fiber Telecommunications Engineer in Aurora, CO area to support a government customer. The successful candidate will support an array o
Posted 27 days ago | Updated moments ago

RF Engineer, Senior (Level III) - Secret Clearance

Lockheed Martin Corporation

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Cope, Colorado, USA

Full-time

Job Description Space is a critical domain, connecting our technologies, our security, and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more - we can innovate, invest, inspire, and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We're creating future-ready solut
Posted 52 days ago | Updated 2 hours ago

Electrical Component Engineer / Electrical Engineer, Sr. (Level III)

Lockheed Martin Corporation

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Englewood, Colorado, USA

Full-time

Job Description About Lockheed Martin Space: Space is a critical domain, connecting our technologies, our security, and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more - we can innovate, invest, inspire, and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We'
Posted 25 days ago | Updated 2 hours ago

Fire Alarm Design Engineer (NICET III-IV)

Brookfield Global

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Remote or Houston, Texas, USA

Full-time

As a Fire Alarm Design Engineer, you will be a key member in designing, documenting, testing, commissioning, and/or bidding on Fire Alarm and electronic security installation projects. Key responsibilities and experience should include: Manage respective projects, keeping consistent communication and track of deadlines.Engage with the different stakeholders and vendors.Ability to interpret physical security standards, drawings, bill of materials, request for proposals, and submittal requirements
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Posted 48 days ago | Updated 23 hours ago

ASIC/FPGA Lead Verification Engineer III

Lockheed Martin Corporation

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Remote or San Diego, California, USA

Full-time

Job Description Join Our Team as an ASIC & FPGA Lead Verification Engineer where you will support over 50 different programs and research and development (R&D) efforts, affecting technology across military space, civil space, commercial space, missiles, missile defense platforms, satellite surveillance platforms, deep space exploration, and manned flight missions. Location: Although this position does support some teleworking; the selected candidate will need to be located near our Lockheed Mar
Posted 60+ days ago | Updated 2 hours ago

Electrical Harness Design Engineer III - Flight Spacecraft

Lockheed Martin Corporation

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Littleton, Colorado, USA

Full-time

Job Description Join our team as an Electromechanical Engineer within our Space Vehicle Harness Design department where we are responsible for mechanical and electrical design tasks relating to wire harness, cable design, and interconnecting of electronic equipment. Location: This position does not support teleworking; the preferred candidate will be located near our Lockheed Martin Space facility one of the Coolest places to work: Littleton CO , and be expected to work in the office. Space is
Posted 60+ days ago | Updated 2 hours ago

RF Engineer, Senior (Level III) - TS/SCI w/ Polygraph

Lockheed Martin Corporation

•

Littleton, Colorado, USA

Full-time

Job Description Space is a critical domain, connecting our technologies, our security, and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more - we can innovate, invest, inspire, and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We're creating future-ready solut
Posted 60+ days ago | Updated 2 hours ago

Missile Systems Integration & Test Engineer III

Sierra Nevada Corporation

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Remote or Lone Tree, Colorado, USA

Full-time

Sierra Nevada Corporation (SNC) is seeking a dynamic and skilled Systems Integration & Test Engineer to play a critical role in the research, design, development, testing, certification, deployment, and improvement of cutting-edge products and services. This role will involve designing and testing of advanced autonomous aircraft and missile systems, managing the product life-cycle from subsystem design through to fully integrated systems. These cover a very wide range from advanced mission paylo
Posted 60+ days ago | Updated 2 hours ago

Project Design Engineer (NICET III-IV)

Brookfield Global

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Remote or Richmond, Virginia, USA

Full-time

As a Project Design Engineer, you will be a key member in designing, documenting, testing, commissioning, and/or bidding on Fire Alarm and electronic security installation projects. Key responsibilities and experience should include: Manage respective projects, keeping consistent communication and track of deadlines.Engage with the different stakeholders and vendors.Ability to interpret physical security standards, drawings, bill of materials, request for proposals, and submittal requirements p
Easy Apply
Posted 60+ days ago | Updated 23 hours ago

Engineer III, Field Service - Richland WA

Thermo Fisher Scientific

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Remote or Washington, USA

Full-time

Work Schedule Standard (Mon-Fri) Environmental Conditions Able to lift 40 lbs. without assistance, Adherence to all Good Manufacturing Practices (GMP) Safety Standards, Some degree of PPE (Personal Protective Equipment) required (safety glasses, gowning, gloves, lab coat, ear plugs etc.), Working at heights Job Description How you will make an impact: The Field Service Engineer for the Materials and Structural Analysis Division (MSD) of Thermo Fisher Scientific is responsible for performing
Posted 60+ days ago | Updated 2 hours ago