Network Security Administrator Jobs in Colorado

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Senior Cloud Security Engineer (Remote)

Progressive Leasing

•

Texas, USA

Full-time

Progressive Leasing is a leading provider of in-store and e-commerce lease-to-own solutions. As an almost 20+ year old FinTech company that has gone from start-up to industry leader, we know how to innovate, simplify, and value all people. We are a company founded on our grit and we are constantly looking to the future. As an ever-evolving group of entrepreneurs and technologists, we strive to do the right thing period in all aspects of our work. We are a subsidiary of PROG Holdings (NYSE: PRG),
Posted 60+ days ago | Updated 7 hours ago

Senior Cloud Security Engineer (Remote)

Progressive Leasing

•

Ohio, USA

Full-time

Progressive Leasing is a leading provider of in-store and e-commerce lease-to-own solutions. As an almost 20+ year old FinTech company that has gone from start-up to industry leader, we know how to innovate, simplify, and value all people. We are a company founded on our grit and we are constantly looking to the future. As an ever-evolving group of entrepreneurs and technologists, we strive to do the right thing period in all aspects of our work. We are a subsidiary of PROG Holdings (NYSE: PRG),
Posted 60+ days ago | Updated 7 hours ago

Senior Cloud Security Engineer (Remote)

Progressive Leasing

•

Georgia, USA

Full-time

Progressive Leasing is a leading provider of in-store and e-commerce lease-to-own solutions. As an almost 20+ year old FinTech company that has gone from start-up to industry leader, we know how to innovate, simplify, and value all people. We are a company founded on our grit and we are constantly looking to the future. As an ever-evolving group of entrepreneurs and technologists, we strive to do the right thing period in all aspects of our work. We are a subsidiary of PROG Holdings (NYSE: PRG),
Posted 60+ days ago | Updated 7 hours ago

Senior Cloud Security Engineer (Remote)

Progressive Leasing

•

Missouri, USA

Full-time

Progressive Leasing is a leading provider of in-store and e-commerce lease-to-own solutions. As an almost 20+ year old FinTech company that has gone from start-up to industry leader, we know how to innovate, simplify, and value all people. We are a company founded on our grit and we are constantly looking to the future. As an ever-evolving group of entrepreneurs and technologists, we strive to do the right thing period in all aspects of our work. We are a subsidiary of PROG Holdings (NYSE: PRG),
Posted 60+ days ago | Updated 7 hours ago

Senior Cloud Security Engineer (Remote)

Progressive Leasing

•

Michigan, USA

Full-time

Progressive Leasing is a leading provider of in-store and e-commerce lease-to-own solutions. As an almost 20+ year old FinTech company that has gone from start-up to industry leader, we know how to innovate, simplify, and value all people. We are a company founded on our grit and we are constantly looking to the future. As an ever-evolving group of entrepreneurs and technologists, we strive to do the right thing period in all aspects of our work. We are a subsidiary of PROG Holdings (NYSE: PRG),
Posted 60+ days ago | Updated 7 hours ago

Senior Security Software Engineer - Cloud

NVIDIA Corporation

•

Maryland, USA

Full-time

NVIDIA has been transforming computer graphics, PC gaming, and accelerated computing for more than 25 years. It's a unique legacy of innovation that's fueled by great technology-and amazing people. Today, we're tapping into the unlimited potential of AI to define the next era of computing. An era in which our GPU acts as the brains of computers, robots, and self-driving cars that can understand the world. Doing what's never been done before takes vision, innovation, and the world's best talent.
Posted 43 days ago | Updated 7 hours ago

Information Systems Security Manager

Leidos

•

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
Posted 25 days ago | Updated 7 hours ago

Information Systems Security Manager (ISSM)

Cymertek Corporation

•

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
Posted 60+ days ago | Updated 7 hours ago

Senior Enterprise Security Engineer

Eliassen Group

•

Anywhere, US

Full-time

Description: **100% Remote** The Senior Enterprise Security Engineer is responsible for Security Compliance (PCI DSS, FISMA, FedRAMP) and the global management and operations of DLP, SIEM, Endpoint Protection, EDR, WAF/DDoS tooling across the enterprise. This role will be focused on enterprise security functions and needs to be a subject-matter expert in compliance frameworks, risk identification, and mitigation, as it relates to infrastructure, network and application security. The Engineer a
Posted 20 days ago | Updated 7 hours ago

Cyber Systems Security Engineer

M9 Solutions

•

Colorado Springs, Colorado, USA

Full-time

M9 Solutions is dedicated to providing IT services and solutions to the Federal Government by mobilizing the right people, skills, clearance levels, and technologies to help organizations who desire improved performance and modern, sustainable change. M9 has provided quality IT services and support to more than 30 Federal Agencies and multiple commercial customers nationwide. Our capabilities include digital transformation, software development, cloud migration, applications & infrastructure, cy
Posted 23 days ago | Updated 4 hours ago

Information Systems Security Officer, Classified Cybersecurity

Lockheed Martin Corporation

•

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
Posted 31 days ago | Updated 7 hours ago

System Security Engineer

Cymertek Corporation

•

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
Posted 60+ days ago | Updated 7 hours ago

Security Systems Engineer, Programming & Commissioning

Tesla Motors

•

Remote or Sparks, Nevada, USA

Full-time

We are seeking a highly skilled Security Systems Engineer to join our team. The successful candidate will be responsible for the programming and commissioning of access control, intrusion detection and video surveillance systems. This role requires strong technical expertise, excellent communication skills, and the ability to work collaboratively with cross-functional teams. Locations: Reno, NV, OR Fremont, CA OR Austin, TX Responsibilities Support the Security Engineering's Southern region i
Posted 60+ days ago | Updated 7 hours ago

Principal Information Security Architect - Remote

UnitedHealth Group

•

Remote or Eden Prairie, Minnesota, USA

Full-time

Optum is a global organization that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, data and resources they need to feel their best. Here, you will find a culture guided by inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us advance health op
Posted 31 days ago | Updated 7 hours ago

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

RTX Corporation

•

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
Posted 24 days ago | Updated 7 hours ago

Software Development Engineer, Duo Security

Cisco Systems, Inc.

•

Remote

Full-time

The application window is expected to close on July 10th, 2025. Note: Job posting may be removed earlier if the position is filled or if a sufficient number of applications are received. The position is open to remote candidates; preference will be given to candidates located in Atlanta, GA, Cary, NC, Boston, MA, Fulton, MD, Austin, TX or Ann Arbor, MI. Meet the Team Duo Security, now part of Cisco, is an industry leading multi-factor authentication (MFA) and secure access provider. Our missio
Posted 60+ days ago | Updated 7 hours ago

Senior Infrastructure Security Engineer

Coinbase

•

Remote

Full-time

Ready to be pushed beyond what you think you're capable of? At Coinbase, our mission is to increase economic freedom in the world. It's a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform - and with it, the future global financial system. To achieve our mission, we're seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the
Posted 60+ days ago | Updated 7 hours ago

Information Systems Security Engineer (ISSE)

Cymertek Corporation

•

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
Posted 60+ days ago | Updated 7 hours ago

Lead System Security Engineer

Parsons Services Company

•

Boulder, 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: Parsons is looking for an amazingly talented Lead System Security Engineer to join o
Posted 13 days ago | Updated 7 hours ago

Information Technology/Assurance (IT/IA) Specialist I (24/7)

General Dynamics Information Technology

•

Colorado Springs, Colorado, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Information Security Job Qualifications: Skills: Information Security, Information Security Management, Information System Security Certifications: None Experience: 2 + years of related experience ship Required: Yes Job Description: The primary function is working within Special Access Programs
Posted 27 days ago | Updated 23 hours ago