clearance Jobs in Denver, CO

101 - 120 of 1,143 Jobs

Systems Engineer IIIJob Title - Systems Engineer III

Sierra Nevada CorporationCompany Name - Sierra Nevada Corporation

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Remote or Lone Tree, Colorado, USA

Full-time

Are you a bold thinker? We dream big at Sierra Nevada Corporation-advocating the exploration of space, keeping service members safe and creating the systems that keep our world united and sustain our way of living. Join our team! As a Systems Engineer, you will be using your skills and expertise to research, architect, model, simulate, test, certify and improve cutting edge products and services. You'll be developing complex system architectures within contextual modeling platforms, ushering the

Digital Network Exploitation AnalystJob Title - Digital Network Exploitation Analyst

Realm OneCompany Name - Realm One

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Aurora, Colorado, USA

Full-time

RealmOne is FOCUSED on you! RealmOne was built on the principle that people matter first and foremost. We believe in providing a strong work/life balance by investing in our employees and encouraging professional and personal growth. We do this by offering exceptional benefits, flexible schedules, and the tools necessary to achieve success through paid training, mentoring, and the opportunity to work alongside top-notch security professionals. Join us on this journey as we execute this new miss

Cleared IT Project ManagerJob Title - Cleared IT Project Manager

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Remote or Littleton, Colorado, USA

Full-time

Job Description This position requires active Top Secret Clearance with ability to obtain SCI access. Project Engineer Staff supporting IT Ops and Cyber Resilience at Lockheed Martin Space. In this role, the successful candidate will be responsible for providing project leadership for several projects supporting classified digital stack development and execution. The responsibilities include the following: - Responsible for ensuring business rhythm is established and maintained with stakeholde

System EngineerJob Title - System Engineer

RTX CorporationCompany Name - RTX Corporation

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Aurora, Colorado, USA

Full-time

Date Posted: 2025-05-13 Country: United States of America Location: CO112: Buckley AFB 18500 East 6th Ave 18500 East 6th Avenue Buckley AFB, 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 help o

Engineering Manager II - Test Integration & SupportJob Title - Engineering Manager II - Test Integration & Support

Sierra Nevada CorporationCompany Name - Sierra Nevada Corporation

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Remote or Lone Tree, Colorado, USA

Full-time

Are you looking to use your test capabilities, project management and collective skills in your next position? We could use your expertise on our test team! We are innovators on a mission to unify, explore and inspire. As an Engineering Manager II - Test Integration & Support, you'll lead a team charged with integrated planning for test development, including coordinating activities throughout the product lifecycle from proposal to release. You will monitor the product/program/project from initi

Senior Scrum Master, Systems Engineering (Onsite)Job Title - Senior Scrum Master, Systems Engineering (Onsite)

RTX CorporationCompany Name - RTX Corporation

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Aurora, Colorado, USA

Full-time

Date Posted: 2025-04-30 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: DoD Clearance: Secret At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to hel

Information Systems Security OfficerJob Title - Information Systems Security Officer

TEKsystems c/o Allegis GroupCompany Name - TEKsystems c/o Allegis Group

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Aurora, Colorado, USA

Full-time

Description The ISSO candidate should have a good understanding of DoD RMF, NIST SP 800-53 security controls, and a working knowledge of eMASS. Working with the guidance provided by the ISSM and the PMO, the ISSO is accountable for the security posture of the program's assets and services. The ISSO will advise and lead the Cybersecurity Team to ensure compliance with the program's cybersecurity requirements. Specific job duties: Perform all security related tasks for program assets and services.

Sr Systems EngineerJob Title - Sr Systems Engineer

Sierra Nevada CorporationCompany Name - Sierra Nevada Corporation

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Remote or Lone Tree, Colorado, USA

Full-time

Information Systems Security OfficerJob Title - Information Systems Security Officer

TEKsystems c/o Allegis GroupCompany Name - TEKsystems c/o Allegis Group

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Aurora, Colorado, USA

Full-time

Software Engineer - ENG06 - Cleared On-SiteJob Title - Software Engineer - ENG06 - Cleared On-Site

Apex SystemsCompany Name - Apex Systems

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Aurora, Colorado, USA

Full-time

Job#: 2074463 Job Description: CANDIDATES MUST HOLD A TOP SECRET SECURITY CLEARANCE TO BE CONSIDERED FOR THE OPPORTUNITY AND WORK AS A W2/USC Description/Comment: On-Site Contractor or Contract to Hire. In this role, you have the opportunity to directly impact the world around you and contribute to classified programs and technologies you are passionate about. Our small agile teams adapt to evolving customer and warfighter needs. On the Apex program, software engineers and architects are develo

Engineering Aide SrJob Title - Engineering Aide Sr

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Remote or Littleton, Colorado, USA

Full-time

Job Description The coolest jobs on this planet or any other are with Lockheed Martin Space. Your invitation to a forward-thinking future! Fleet Ballistic Missiles (FBM) is one of Lockheed Martin's outstanding Lines of Businesses that prioritizes partnership, integrity, and reliability. The Life Extension 2 (LE2) team is an organization within the greater FBM program which supports the development of the Next Generation System by developing concepts, researching, and maturing technologies to s

Electro-Optical (EO) Systems EngineerJob Title - Electro-Optical (EO) Systems Engineer

York Space SystemsCompany Name - York Space Systems

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Greenwood Village, Colorado, USA

Full-time

Salary: $80,000 - $140,000 York Space Systems was founded to radically improve spacecraft affordability and reliability, transforming, and enabling next- generation space mission operations worldwide. Today, York is one of the most innovative aerospace companies, specializing in end-to-end customer solutions and the rapid production of spacecraft platforms. York's complete Space Segment Solution includes spacecraft production, payload integration, system integration & test, launch services, grou

Electro Optical (EO) EngineerJob Title - Electro Optical (EO) Engineer

York Space SystemsCompany Name - York Space Systems

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Greenwood Village, Colorado, USA

Full-time

Salary: $100,000 - $165,000 York Space Systems was founded to radically improve spacecraft affordability and reliability, transforming, and enabling next- generation space mission operations worldwide. Today, York is one of the most innovative aerospace companies, specializing in end-to-end customer solutions and the rapid production of spacecraft platforms. York's complete Space Segment Solution includes spacecraft production, payload integration, system integration & test, launch services, gr

Sr Systems Engineer - System SafetyJob Title - Sr Systems Engineer - System Safety

SNCCompany Name - SNC

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Lone Tree, Colorado, USA

Full-time

Software Engineer IIIJob Title - Software Engineer III

Sierra Nevada CorporationCompany Name - Sierra Nevada Corporation

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Remote or Lone Tree, Colorado, USA

Full-time

Do you enjoy developing new products and services? Join us! Our Software Engineers work in an agile, collective environment. You will be using your skills and expertise to define, design, develop, test, certify and improve cutting-edge software products. These cover a very wide range from advanced mission payloads and electronic systems through highly integrated aircraft to orbital and space exploration systems. You'll perform coding, debugging, testing, and troubleshooting of systems and softwa

Linux Systems AdministratorJob Title - Linux Systems Administrator

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

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Lakewood, Colorado, USA

Full-time

Job Number: R0216958 Linux Systems Administrator The Opportunity: Your combination of people skills and technical expertise makes you the team hero, solving one problem after another. We're looking for a systems administrator to help us maintain forensic systems and infrastructure. As a systems administrator on our project, you'll constantly look for ways to make our infrastructure better using the latest technology and the best implementation strategies. You'll provide your customers with insi

Systems Engineer: Performance Evaluation TeamJob Title - Systems Engineer: Performance Evaluation Team

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Littleton, Colorado, USA

Full-time

Job Description Your invitation to a forward-thinking future! For over 60 years, the Fleet Ballistic Missile (FBM) team has supported the Navy's mission to provide affordable and credible strategic defense. We offer unique career opportunities and challenges on a program with a rich history and exciting future. We help keep this nation and our allies secure. The FBM Program is experiencing significant growth and we need your expertise to deliver amazing new technologies to our customers while m

O&M Software EngineerJob Title - O&M Software Engineer

RTX CorporationCompany Name - RTX Corporation

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Aurora, Colorado, USA

Full-time

Date Posted: 2025-04-29 Country: United States of America Location: CO112: Buckley AFB 18500 East 6th Ave 18500 East 6th Avenue Buckley AFB, 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 Raytheon is currently seeking a Senior Software Engineer (Principal Specialist) to join our talented tea

System Security Engineer IIIJob Title - System Security Engineer III

Sierra Nevada CorporationCompany Name - Sierra Nevada Corporation

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Lone Tree, Colorado, USA

Full-time

Are you looking for an opportunity to deepen your IT skills in a meaningful work environment that supports and protects explorers and heroes? Join our team! As a Systems Security Engineer , you will be using your skills and expertise to design, test, and implement our secure operating systems, networks, security monitoring, and tuning. You'll be responsible for the management of our IT security systems and applications, incident response, digital forensics, loss prevention, and eDiscovery action

Contamination Control Engineer, Staff (Level IV)Job Title - Contamination Control Engineer, Staff (Level IV)

Lockheed Martin CorporationCompany Name - 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