ISSM jobs in Denver, CO

Principal Systems Security Engineer / Senior ISSM

Lone Tree, Colorado

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Today

The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, it is a leading prime manned and unmanned aircraft systems integrator for innovative, high-performance ISR and aviation systems. Its end-to-end Command, Control, Computers, Communications and Intelligence, Surveillance & Reconnaissance (C4ISR) capabilities encompass design, integration, test, certification, ground/flight training and complete logistics support. IAS t

Full-time

USD 165,010.21 - 226,889.04 per year

Information Systems Security Manager (ISSM)

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 165,000.00 - 190,000.00 per year

Information System Security Manager (ISSM)

Remote or Ventura, California

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Today

Overview The Information System Security Manager (ISSM) serves as the primary cybersecurity authority and liaison for contractor-designed, built, and supported networks and systems operating within Army and Navy program environments. Working on-site alongside Government Organization ISSMs, Authorizing Official Designated Representatives (AODRs), and Authorizing Officials (AOs), this role is directly responsible for leading systems through the complete Risk Management Framework (RMF) lifecycle-f

Full-time

USD 160,000.00 - 190,000.00 per year

Cyber Security Engineer III

Denver, Colorado

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Today

Job Description Cyber Security Engineer The Cyber Security Engineer supports Reclamation IT systems and performs security and privacy tasks aligned to NIST SP 800-37 Rev. 2 (RMF) and task order requirements. Work is executed during the period of performance and is reviewed weekly for completeness of tasks and objectives. The ISSO receives direct or indirect technical direction from the COR and/or TSAL. The ISSO produces and maintains government-required cybersecurity and privacy documentatio

Full-time

Cybersecurity Engineer

Aurora, Colorado

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Today

JOB TITLE: Cybersecurity Engineer JOB LOCATION: Aurora, CO WAGE RANGE*: 110-115/hr JOB NUMBER: RTXCJP00001607 REQUIRED EXPERIENCE: Minimum of 10 years' related experience in Cybersecurity, Systems or Software Engineering, for the government or government contractor, if other than IC position. Experience developing Security Authorization Requirements, performing vulnerability assessments, and implementing threat mitigation updates on embedded systems and products. Experience configuring and h

Full-time

ServiceNow CSM - Now Assist Engineer

Remote

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Today

Job ID: 2614752 Location: Remote Work, VA, US Date Posted: 2026-08-03 Category: Information Technology Subcategory: Platform Engr Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: Interim_Secret Clearance Level Must Be Able to Obtain: Secret Potential for Remote Work: ORA_REMOTE Description Responsibilities: Customer Service Management (CSM) Configure, maintain, and support ServiceNow Customer Service Management (CSM) capabilities, including:Case ManagementServ

Full-time

USD 120,001.00 - 160,000.00 per year

Senior ServiceNow CSM - Now Assist Engineer

Remote

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Today

Job ID: 2615318 Location: Remote Work, VA, US Date Posted: 2026-08-05 Category: Information Technology Subcategory: Platform Engr Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: Interim_Secret Clearance Level Must Be Able to Obtain: Secret Potential for Remote Work: ORA_REMOTE Description Responsibilities: Customer Service Management (CSM) Configure, maintain, and support ServiceNow Customer Service Management (CSM) capabilities, including:Case ManagementServ

Full-time

USD 120,001.00 - 160,000.00 per year

Information Systems Security Officer (ISSO) - Senior

Remote

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Today

We are seeking a highly skilled and experienced Information Systems Security Officer (ISSO) - Senior to join our team. In this critical role, you will be responsible for executing the full RMF lifecycle across all information systems and applications, leading security assessment activities with the goal of maintaining a 100% Authority to Operate (ATO) status. As a senior leader, you will ensure the rigorous application of cybersecurity policies, manage system remediation efforts, design critical

Full-time

USD 110,000.00 - 125,000.00 per year

Cyber Security Engineer Technical Lead

Littleton, Colorado

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7d ago

Job Description The coolest jobs on this planet or any other are with Lockheed Martin Space. At the dawn of a new space age, Lockheed Martin Space is a pioneer, partner, innovator, and builder. Our amazing people are on a mission to make a difference in the world. Every single day, we use our unique skills and experiences to craft, design, and build solutions to some of the world's hardest engineering problems. Our culture inspires our employees to dream big; perform with excellence; and build

Full-time

USD 123,500.00 - 217,695.00 per year

Senior Software Engineer - UDS Registry Team (RD119)

Remote

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Today

Defense Unicorns seeks a Senior Software Engineer to join our UDS Registry team. You'll collaborate closely with product managers, designers, and end users to ensure we're building the right solutions-and building them well. The team builds and operates UDS Registry to reliably manage and deploy UDS packages to any mission environment, serving the ISSM persona. In addition, we own the development and maintenance of Pepr and Lula, ensuring our tools continue to meet real-world mission needs. The

Full-time

USD 148,750.00 - 201,250.00 per year

Information Systems Security Officer (ISSO) - Subject Matter Expert (SME)

Remote

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Today

We are seeking a highly skilled and experienced Information Systems Security Officer (ISSO) Subject Matter Expert (SME) to join our team. In this critical role, you will be ultimately responsible for the day-to-day cyber operations of assigned systems, ensuring strict adherence to the Risk Management Framework (RMF) and industry standards. As a trusted advisor, you will collaborate closely with executive leadership-including the Authorizing Official (AO), System Owners, and the Chief Information

Full-time

USD 132,000.00 - 150,000.00 per year

Cyber Security Specialist, Senior (Top Secret)

Remote or Fairfax, Virginia

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Today

Location: Remote Clearance: Top Secret Employment Type: Full-Time About Praescient Analytics: Praescient Analytics is a leader in delivering advanced analytic, data engineering, and technology integration solutions in support of the Department of Defense (DoD), Intelligence Community, and federal law enforcement. Our mission is to empower analysts and decision-makers through data-driven insights, enabling faster and more effective mission outcomes. Position Overview: Praescient Analytics is s

Full-time

LEAD INFORMATION SECURITY ENGINEER (ISSO with PQC)

Remote

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Today

Lumen is the trusted network for the AI-powered world, connecting people, data, and applications through our expansive fiber network and connected ecosystem. We enable secure, high-performance connectivity across cloud, edge, and AI workloads for enterprises, governments, and communities. At Lumen, you'll work on infrastructure customers rely on today and build for what's next, where performance, security, and resilience matter. This is a high accountability environment where bold ideas drive

Full-time

USD 105,786.00 - 141,047.00 per year

Information Systems Security Manager

Remote

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Today

Overview The Information Systems Security Manager (ISSM), FedRAMP is responsible for overseeing and sustaining the security authorization and continuous compliance of cloud-based information systems supporting United States Federal Government customers. This role is accountable for ensuring the confidentiality, integrity, availability, privacy, auditability, and accountability of government information systems and associated data. The ISSM partners closely with Business Operations, Engineering,

Full-time

USD 135,000.00 - 155,000.00 per year

Sr Systems Security Engineer / Sr. Database & Storage Administrator

Lone Tree, Colorado

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Today

Full-time

USD 143,487.14 - 197,294.82 per year

FDE Data Engineer- Space (FedD141/FedD147)

Remote

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Today

EMPLOYER IS A CONTRACTOR FOR THE U.S. GOVERNMENT. THIS POSITION WILL REQUIRE U.S. CITIZENSHIP. Role Description This is a forward-deployed engineering role. You'll work shoulder-to-shoulder with mission heroes: the users, operators, and program engineers who run real workloads in real DoD environments. You'll help take UDS Data Capability from "deployable" to "running in production under classification." You will deploy, integrate, and operate our data stack in the mission hero's environment al

Full-time

USD 123,250.00 - 166,750.00 per year

Senior FDE Data Engineer (FedD140/FedD148)

Remote

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Today

EMPLOYER IS A CONTRACTOR FOR THE U.S. GOVERNMENT. THIS POSITION WILL REQUIRE U.S. CITIZENSHIP. Role Description This is a forward-deployed engineering role. You'll work shoulder-to-shoulder with mission heroes: the users, operators, and program engineers who run real workloads in real DoD environments. You'll be the person who takes UDS Data Capability from "deployable" to "running in production under classification." You will deploy, harden, integrate, and operate our data stack in the mission

Full-time

USD 148,750.00 - 201,250.00 per year

Information Systems Security Officer, Classified Cybersecurity

Littleton, Colorado

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7d ago

Job Description This position requires TS/SCI clearance with ability to pass a Polygraph. The Cybersecurity Specialist will partner with the security team, program, and government customers to perform as an Information Systems Security Officer (ISSO) at the LM Waterton facility in Littleton, CO. Classified Cybersecurity Analysts help secure lifesaving products and critical state-of-the-art engineering and manufacturing systems by applying cutting edge cybersecurity principles. Rising to the ch

Full-time

USD 76,500.00 - 134,895.00 per year

ISSM jobs in Denver, CO, USA