clearance Jobs in Denver, CO

Refine Results
101 - 120 of 998 Jobs

Principal Systems Engineer - Space Network Management Product Owner

RTX Corporation

Aurora, Colorado, USA

Full-time

Date Posted: 2025-07-25 Country: United States of America Location: CO102: 16800 E Centretech Pkwy,Aurora 16800 East Centretech Pkwy Building S75, Aurora, CO, 80011 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: TS/SCI without Polygraph At Raytheon, the foundation of everything we do is rooted in our values and a higher calling -

Information Systems Security Manager, Classified Cybersecurity Manager

Lockheed Martin Corporation

Littleton, Colorado, USA

Full-time

Job Description Security Clearance: Current Final Secret to start with ability to obtain Top Secret clearance. The Classified Cybersecurity Manager will oversee the cybersecurity compliance of multiple national critical information systems. Responsibilities include: Lead Technical Security Operations: Oversee and direct day-to-day information system security operations, providing expert guidance on all technical security matters as the ISSM. Cyber Talent Management: Attract, retain, and develo

Software Configuration Management Engineer II [TS/SCI Poly], Onsite

RTX Corporation

Aurora, Colorado, USA

Full-time

Date Posted: 2025-07-09 Country: United States of America Location: CO102: 16800 E Centretech Pkwy,Aurora 16800 East Centretech Pkwy Building S75, Aurora, CO, 80011 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: TS/SCI with Polygraph At Raytheon, fresh thinking and possibilities are forged in times of change and you will be on the

Engineering Manager I

Sierra Nevada Corporation

Lone Tree, Colorado, USA

Full-time

Are you dreaming about a position where you can deliver quality, meaningful results? Come be a part of our diverse, multi-disciplined team of engineers, operating in an agile environment, using the latest tools and methodologies. Develop your technical acumen as well as your leadership skills at a company with huge potential for long-term career growth. As an Engineering Manager, you will be using your skills and expertise to manage functional teams through program execution for our products and

Systems Engineer II - Air & Space Defense Systems

RTX Corporation

Aurora, Colorado, USA

Full-time

Date Posted: 2025-07-28 Country: United States of America Location: CO102: 16800 E Centretech Pkwy,Aurora 16800 East Centretech Pkwy Building S75, Aurora, CO, 80011 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: TS/SCI without Polygraph At Raytheon, the foundation of everything we do is rooted in our values and a higher calling -

Sr Systems Engineer - Operations Research

Sierra Nevada Corporation

Lone Tree, Colorado, USA

Full-time

Military operations analysis / research influences every SNC technology, program, and strategic area of focus. The successful candidate for this position will join a fast-paced, agile team of analysts focused on conducting analysis of future, and existing military systems to inform strategic, program, business development, and customer decisions. The candidate will work in a team environment to execute impactful studies focused on quantifying the mission effectiveness of SNC technology concepts

Senior S/w Configuration Management Engineer [TS/SCI Poly], Onsite

RTX Corporation

Aurora, Colorado, USA

Full-time

Date Posted: 2025-07-09 Country: United States of America Location: CO102: 16800 E Centretech Pkwy,Aurora 16800 East Centretech Pkwy Building S75, Aurora, CO, 80011 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: TS/SCI with Polygraph At Raytheon, fresh thinking and possibilities are forged in times of change and you will be on the

Principal S/w Configuration Management Engineer [TS/SCI Poly], Onsite

RTX Corporation

Aurora, Colorado, USA

Full-time

Date Posted: 2025-07-09 Country: United States of America Location: CO102: 16800 E Centretech Pkwy,Aurora 16800 East Centretech Pkwy Building S75, Aurora, CO, 80011 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: TS/SCI with Polygraph At Raytheon, fresh thinking and possibilities are forged in times of change and you will be on the

Systems Engineer - Requirements and Verification Sr.

Lockheed Martin

Greenwood Village, Colorado, USA

Full-time

Job ID: 694936BR Date posted: Jul. 30, 2025 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 achi

Senior. Platform DevSecOps Engineer (Onsite)

RTX Corporation

Aurora, Colorado, USA

Full-time

Date Posted: 2025-07-08 Country: United States of America Location: CO102: 16800 E Centretech Pkwy,Aurora 16800 East Centretech Pkwy Building S75, Aurora, CO, 80011 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: TS/SCI with Polygraph At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to

Principal Systems Engineer - C2 Product Manager

RTX Corporation

Aurora, Colorado, USA

Full-time

Date Posted: 2025-07-18 Country: United States of America Location: CO102: 16800 E Centretech Pkwy,Aurora 16800 East Centretech Pkwy Building S75, Aurora, CO, 80011 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: TS/SCI without Polygraph We have an exciting opportunity for a Principal Systems Engineer - Product Manager supporting o

Systems Engineer Sr - Coordination/Correlation Team

Lockheed Martin

Littleton, Colorado, USA

Full-time

Job ID: 701134BR Date posted: Aug. 05, 2025 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 achi

Telecommunications Engineer

SAIC

Aurora, Colorado, USA

Full-time

Job ID: 2504972 Location: AURORA, CO, US Date Posted: 2025-07-15 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-time Shift: Day Job Travel: Yes, 25 % 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

System Engineer - MBSE & Requirement & Verification

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 solutio

Senior Principal Software Cloud Architect (Onsite)

RTX Corporation

Aurora, Colorado, USA

Full-time

Date Posted: 2025-05-27 Country: United States of America Location: CO106: 16470 East Hughes Drive,Aurora 16470 East Hughes Drive Building S77, Aurora, CO, 80011 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: TS/SCI without Polygraph At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to

Electronics Engineer III, Electrical Ground Support Equip, Top Secret

Lockheed Martin Corporation

Littleton, Colorado, USA

Full-time

Job Description Join our team as an Electronics Engineer where you will be a part of a multifunctional team, consisting of software, hardware, RF, and systems integration and test engineers. Location: This position does not support teleworking;the selected candidate will be located near our Lockheed Martin Space facility in: Littleton CO 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 sp

Sr. Software Engineer - TS/SCI w/ Poly

Parsons Services Company

Denver, Colorado, USA

Full-time

In a world of possibilities, pursue one with endless opportunities. Imagine Next! When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Imagine a career working with exceptional people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We've got what you're looking for. Job Description: Blue Ridge Envisioneering is seeking qualified candidates to fill a Software Enginee

Junior Software Engineer - TS/SCI w/ Poly

Parsons Services Company

Denver, Colorado, USA

Full-time

In a world of possibilities, pursue one with endless opportunities. Imagine Next! When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Imagine a career working with exceptional people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We've got what you're looking for. Job Description: Blue Ridge Envisioneering is seeking qualified candidates to fill a Software Enginee

Systems Engineer - Signal Processing

RTX Corporation

Aurora, Colorado, USA

Full-time

Date Posted: 2025-06-30 Country: United States of America Location: CO102: 16800 E Centretech Pkwy,Aurora 16800 East Centretech Pkwy Building S75, Aurora, CO, 80011 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: TS/SCI without Polygraph We have an exciting opportunity for a Systems Engineer - Signal Processing to support one of ou

COMSEC Network Designer Lead

CACI International, Inc.

Denver, Colorado, USA

Full-time

COMSEC Network Designer Lead Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local Anticipated Posting End: 1/26/2026 The Opportunity: Team CACI has an exciting and challenging opportunity available for a COMSEC (communications security) Network Designer Lead supporting an Intelligence Community customer's wide-area (WAN), campus-area (CAN),