Information System Security Engineer Jobs in Denver, CO

1 - 20 of 2,045 Jobs

Information System Security EngineerJob Title - Information System Security Engineer

Cymertek CorporationCompany Name - Cymertek Corporation

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Aurora, Colorado, USA

Full-time

Information System Security Engineer LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a skilled and proactive Information System Security Engineer to join our cybersecurity team. In this role, you will design, implement, and maintain security solutions to protect critical information systems and ensure compliance with established security standards. You will collaborate with cross-functional teams to asse

Senior Cyber Engineer-Information System Security Officer (ISSO)-P3 OnsiteJob Title - Senior Cyber Engineer-Information System Security Officer (ISSO)-P3 Onsite

RTX CorporationCompany Name - RTX Corporation

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Aurora, Colorado, USA

Full-time

Date Posted: 2025-06-11 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: DoD Clearance: TS/SCI At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to

Information System Security OfficerJob Title - Information System Security Officer

Cymertek CorporationCompany Name - Cymertek Corporation

•

Aurora, Colorado, USA

Full-time

Information System Security Officer LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a dedicated and detail-oriented Information System Security Officer (ISSO) to join our cybersecurity team. In this role, you will be responsible for maintaining the security posture of information systems, ensuring compliance with security policies, and managing risk through the implementation of robust security measures.

System Security EngineerJob Title - System Security Engineer

Cymertek CorporationCompany Name - Cymertek Corporation

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Aurora, Colorado, USA

Full-time

System Security Engineer LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a highly motivated and detail-oriented System Security Engineer to design, implement, and maintain security measures that protect our critical systems and data. In this role, you will work closely with cross-functional teams to identify vulnerabilities, develop robust security solutions, and ensure compliance with industry standards

Information Systems Security ManagerJob Title - Information Systems Security Manager

LeidosCompany Name - Leidos

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Greenwood Village, Colorado, USA

Full-time

Leidos' Office of the Cyber Information Security Officer within the Digital Modernization sector has an exciting opportunity for a seasoned Cybersecurity Information System Security Manager (ISSM) located in Greenwood Village, Colorado. You will ensure IT systems remain compliant to government regulations, frameworks, and standards pertaining to SP NIST 800-53A. Qualified candidates will have knowledge, experience and demonstrated ability to perform tasks related to assessing, securing, and mon

Information Systems Security ManagerJob Title - Information Systems Security Manager

LeidosCompany Name - Leidos

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Greenwood Village, Colorado, USA

Full-time

Description Leidos' Office of the Cyber Information Security Officer within the Digital Modernization sector has an exciting opportunity for a seasoned Cybersecurity Information System Security Manager (ISSM) located in Greenwood Village, Colorado. You will ensure IT systems remain compliant to government regulations, frameworks, and standards pertaining to SP NIST 800-53A. Qualified candidates will have knowledge, experience and demonstrated ability to perform tasks related to assessing, secur

Information Systems Security Officer, Classified CybersecurityJob Title - Information Systems Security Officer, Classified Cybersecurity

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Littleton, Colorado, USA

Full-time

Job Description TS/SCI clearance required with ability to receive Poly with 6 months. The Cybersecurity Specialist will partner with the security team, program, and government customers to perform as an Information Systems Security Officer (ISSO) for Special Programs located at the LM Waterton facility in Littleton, CO. In this role you will: - Oversee day-to-day information system security operations including hardware and software implementations. - Carry out technical administration of IS

System Security EngineerJob Title - System Security Engineer

DraperCompany Name - Draper

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Remote or Cambridge, Massachusetts, USA

Full-time

Overview: Draper is an independent, nonprofit research and development company headquartered in Cambridge, MA. The 2,000+ employees of Draper tackle important national challenges with a promise of delivering successful and usable solutions. From military defense and space exploration to biomedical engineering, lives often depend on the solutions we provide. Our multidisciplinary teams of engineers and scientists work in a collaborative environment that inspires the cross-fertilization of ideas

Information Systems Security Officer Senior (ISSO)Job Title - Information Systems Security Officer Senior (ISSO)

York Space SystemsCompany Name - York Space Systems

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Greenwood Village, Colorado, USA

Full-time

Salary: $120,000-$135,000 York Space Systems was founded to radically improve spacecraft affordability and reliability, transforming, and enabling next generation space mission operations worldwide. Today, it is one of the most innovative aerospace companies, specializing in both end-to-end customer solutions and the rapid production of spacecraft platforms. York's complete Space Segment Solution including spacecraft production, payload integration, system integration & test, launch services, g

Senior Information Systems Security Officer (ISSO) - Aurora, COJob Title - Senior Information Systems Security Officer (ISSO) - Aurora, CO

RTX CorporationCompany Name - RTX Corporation

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Aurora, Colorado, USA

Full-time

Date Posted: 2025-04-24 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 he

Senior System Security EngineerJob Title - Senior System Security Engineer

DraperCompany Name - Draper

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Remote or Cambridge, Massachusetts, USA

Full-time

Information Systems Security Engineer - ISSE (Senior Levels)Job Title - Information Systems Security Engineer - ISSE (Senior Levels)

Redwire SpaceCompany Name - Redwire Space

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Littleton, Colorado, USA

Full-time

Where dreams and reality collide and the output is, out of this world. At Redwire Space, we are a team of dreamers and doers. Where the impossible becomes possible, and every day is an opportunity to learn and get one step closer to knowing the unknown. Join us on our mission to expand humanity's presence in space. Summary We have a current opportunity for a "Information Systems Security Engineer (Cybersecurity Engineer) at out Littleton, CO. facility. This position will be considered primarily

Information Systems Security Officer (ISSO)Job Title - Information Systems Security Officer (ISSO)

Contact Government Services, LLCCompany Name - Contact Government Services, LLC

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Denver, Colorado, USA

Full-time

ISSO Employment Type: Full-Time, Experienced Department: Information Technology CGS is seeking an Information Systems Security Officer (ISSO) with DIACAP and/or RMF experience who has deep expertise in security assessment documentation to support Dept. of Commerce systems and efforts to achieve their Authorization to Operate (ATO). This position is located at the client site in the Herbert Hoover building in Washington, DC. The scope of this position includes full life-cycle Assessment and Auth

Principal System Security EngineerJob Title - Principal System Security Engineer

DraperCompany Name - Draper

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Remote or Cambridge, Massachusetts, USA

Full-time

Information Systems Security Engineer (ISSE)Job Title - Information Systems Security Engineer (ISSE)

Cymertek CorporationCompany Name - Cymertek Corporation

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Aurora, Colorado, USA

Full-time

Information Systems Security Engineer (ISSE) LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a highly skilled and motivated Information Systems Security Engineer (ISSE) to join our team and play a critical role in ensuring the security and resilience of our systems and infrastructure. In this role, you will be responsible for designing, implementing, and managing security measures to protect our informat

Information Systems Security Officer (ISSO)Job Title - Information Systems Security Officer (ISSO)

Cymertek CorporationCompany Name - Cymertek Corporation

•

Aurora, Colorado, USA

Full-time

Information Systems Security Officer (ISSO) LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a detail-oriented and proactive Information Systems Security Officer (ISSO) to support and maintain the security of our information systems. In this role, you will be responsible for ensuring systems operate in compliance with established security policies, procedures, and regulations. You will work closely with t

Information Systems Security Manager (ISSM)Job Title - Information Systems Security Manager (ISSM)

Cymertek CorporationCompany Name - Cymertek Corporation

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Aurora, Colorado, USA

Full-time

Information Systems Security Manager (ISSM) LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for an experienced and dedicated **Information Systems Security Manager (ISSM)** to join our team and lead efforts to secure and protect our information systems. In this role, you will be responsible for overseeing the security posture of our organization's systems, ensuring compliance with relevant standards, and

Information Systems Analyst, Space SecurityJob Title - Information Systems Analyst, Space Security

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Remote or Littleton, Colorado, USA

Full-time

Job Description Active Secret clearance with ability to obtain Top Secret clearance. Lockheed Martin Space (LMS) is seeking an experienced and highly skilled Information Systems Analyst to join our Operations, Compliance, Education and Training (OCET) Automation Integration & Tools team. As a team member, you will play a critical role in partnering with the security team to support application development and maintenance of multiple tools utilized across the Enterprise. **Key Responsibilities

System Integration/Test Engineer Sr.Job Title - System Integration/Test Engineer Sr.

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 soluti

Security EngineerJob Title - Security Engineer

Ledgent TechnologyCompany Name - Ledgent Technology

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Littleton, Colorado, USA

Contract

Position Overview: The Enterprise Security Engineer will work closely with internal technology teams, business stakeholders, and cybersecurity staff to develop and uphold enterprise-wide security controls. This role is instrumental in advancing the organization's security capabilities and defending systems and data against emerging threats. Key Responsibilities: Partner with various departments to drive security initiatives and improve overall cybersecurity posture. Implement and oversee securit