Information Systems Security Officer Jobs in Denver, CO

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Senior QA Engineer (PyTest)

Eliassen Group

•

Englewood, Colorado, USA

Contract

Description: **Hybrid | Englewood, CO** Our client, an industry leader in telecommunications, has an excellent opportunity for a Senior QA Engineer to work on a 6+ month contract opportunity. Work will be a hybrid on-site/remote schedule in Englewood, CO. The Senior QA Engineer will be responsible for test automation for our client's web/mobile portals & applications. We can facilitate w2 and corp-to-corp consultants. For our w2 consultants, we offer a great benefits package that includes Med
Posted 18 days ago | Updated 10 hours ago

Computer Network Defense Analyst

Realm One

•

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
Posted 60+ days ago | Updated 10 hours ago

Sys Manager IT Cybersecurity

Commonspirit Health

•

Remote or Englewood, Colorado, USA

Full-time

Overview Inspired by faith. Driven by innovation. Powered by humankindness. CommonSpirit Health is building a healthier future for all through its integrated health services. As one of the nation's largest nonprofit Catholic healthcare organizations, CommonSpirit Health delivers more than 20 million patient encounters annually through more than 2,300 clinics, care sites and 137 hospital-based locations, in addition to its home-based services and virtual care offerings. CommonSpirit has more tha
Posted 9 days ago | Updated 10 hours ago

Cross-Domain Software Developer

Cymertek Corporation

•

Aurora, Colorado, USA

Full-time

Cross-Domain Software Developer LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a talented and innovative Cross-Domain Software Developer to design, implement, and maintain secure solutions for transferring data across varied security domains. In this role, you will work on cutting-edge technologies to develop software that ensures seamless and secure communication between systems with differing classifi
Posted 60+ days ago | Updated 10 hours ago

Cybersecurity Architect

Cymertek Corporation

•

Aurora, Colorado, USA

Full-time

Cybersecurity Architect 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 innovative and strategic Cybersecurity Architect to lead the design and implementation of our organization's security infrastructure. In this role, you will develop comprehensive security architectures, guide technical teams, and ensure our systems are resilient against evolving cyber threats. The ideal candidate is a forward-
Posted 60+ days ago | Updated 10 hours ago

Network Security Engineer

Cymertek Corporation

•

Aurora, Colorado, USA

Full-time

Network 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 passionate Network Security Engineer to join our team and play a critical role in safeguarding our organization's digital infrastructure. In this position, you will design, implement, and maintain robust security measures to protect networks, systems, and data from cyber threats. You'll work closely with cross-functio
Posted 60+ days ago | Updated 10 hours ago

Cybersecurity Engineer

Cymertek Corporation

•

Aurora, Colorado, USA

Full-time

Cybersecurity 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 passionate Cybersecurity Engineer to join our team and play a pivotal role in protecting our organization's critical systems and data. This position offers the opportunity to design, implement, and maintain robust security measures while collaborating with a talented team to address evolving cyber threats. The ideal cand
Posted 60+ days ago | Updated 10 hours ago

Architecture Engineer (NE II) (Government)

AT&T Inc.

•

Centennial, Colorado, USA

Full-time

Job Description: AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the Federal Government. We are dedicated to recruiting, developing, and empowering a diverse, high-performing workforce that is passionate about what they do, committed to our shared values, and dedicated to our customers' mission. Our National Security Team supports the intelligence community by providing, operating, and assuring critical voice, v
Posted 44 days ago | Updated 10 hours ago

Computer Network Defense Analyst (CNDA)

Cymertek Corporation

•

Aurora, Colorado, USA

Full-time

Computer Network Defense Analyst (CNDA) LOCATION Aurora, CO 80014 CLEARANCE TS/SCI CI Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a skilled and detail-oriented Computer Network Defense Analyst (CNDA) to join our cybersecurity team. In this role, you will be responsible for monitoring, analyzing, and defending network systems against potential threats and vulnerabilities. You will work with advanced tools and technologies to identify security risks
Posted 60+ days ago | Updated 10 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 10 hours ago

Systems Administrator Technician _TS/SCI with Polygraph

General Dynamics

•

Aurora, Colorado, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Computer Hardware, Information Technology (IT) Systems, Troubleshooting Certifications: None Experience: 1 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as a Systems Administ
Posted 51 days ago | Updated 10 hours ago

Software Engineer, Staff - Top Secret Clearance Required

Qualcomm Technologies

•

Boulder, Colorado, USA

Full-time

Company: Qualcomm Technologies, Inc. Job Area: Engineering Group, Engineering Group > Software Engineering General Summary: Qualcomm's Government Technologies (QGOV) division develops special products based on its wireless terrestrial and satellite communication technologies for the military, federal, local, and foreign governments. In this role as a Software Engineer you will support government-sponsored research, development, integration and test of such systems, including adaptation and ex
Posted 2 days ago | Updated 1 day ago

Systems Administrator Technician _TS/SCI with Polygraph

General Dynamics Information Technology

•

Aurora, Colorado, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Computer Hardware, Information Technology (IT) Systems, Troubleshooting Certifications: None Experience: 1 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as a Systems Administ
Posted 56 days ago | Updated 2 days ago

Defensive Cyber Engineer

Lockheed Martin Corporation

•

Aurora, Colorado, USA

Full-time

Job Description In this role, you will: 1. Provide rotating shift support for a team of 7 Defensive Cyber Engineers working a 24/7 operation. 2. Provide systems and architecture expertise for Defensive Cyber Operations to meet Cybersecurity mission execution on SBIRS operational assets. 3. Assist Defensive Cyberspace Operations and Mission Defense Team in the identification, containment, and response to cyber incidents. 4. Evaluate and analyze system architecture and security design as they per
Posted 3 days ago | Updated 10 hours ago

Release Train 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 Release Train Engineer (RTE) to join ou
Posted 36 days ago | Updated 10 hours ago

Systems and Network Administrator

Alaska Teachers & Personnel

•

Castle Rock, Colorado, USA

Full-time

Position Type: Other Date Posted: 6/25/2025 Location: Administration Center-Technology & Info Systems Date Available: ASAP Closing Date: 08/14/2025 District: Fairbanks North Star Borough School DistrictAdditional Information: Show/Hide Job Summary: The Systems and Network Administrator plans, manages, and optimizes network and system operations, supporting the director and IT staff. Key responsibilities include configuring and maintaining network infrastructure, ensuring system secur
Posted 45 days ago | Updated 10 hours ago

Network Technician/Golden, CO (Hybrid), 12+ Months Contract

Suncap Technology

•

Golden, Colorado, USA

Contract

Network Technician Location : Golden, CO (Onsite) Duration 12+ Months Contract The purpose of this NOC position is to provide a proactive response and resolution to any problems or incidents discovered while monitoring the ITS fiber network, roadside devices and software applications or working with construction project teams. The NOC Technician will be an IT professional who provides technical assistance on computer systems and serves as the first contact for customers who need technical ass
Easy Apply
Posted 60+ days ago | Updated 7 hours ago

Sr. Staff Engineering Program Manager - Top Secret Clearance Needed

Lockheed Martin Corporation

•

Littleton, Colorado, USA

Full-time

Job Description Who We Are: Our customers are world-wide and so is our reputation for creating original solutions with the latest technologies. Our products keep our customers safe and bring them home to their families at night. We provide the resources, inspiration, and focus - if you have the resourcefulness and perseverance to work hard, then we want to create a better tomorrow with you. Who You Are: Are you looking for an exciting opportunity to be a technical leader? If you have the pass
Posted 60+ days ago | Updated 10 hours ago

IT Project Manager

IMA Financial Group

•

Denver, Colorado, USA

Full-time

IMA Financial Group is looking for a Project Manager to join our growing organization. Youll drive the implementation life cycle from initiation to completion and associated Organizational Change Management activities to support each project. You will partner closely with internal business owners and IT to deliver innovative solutions efficiently, while emphasizing clear communication, and following the IT Program Management Methodology. ESSENTIAL JOB RESPONSIBILITIES include but are not limite
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Posted 30 days ago | Updated 25 days ago

System Administrator Associate_TS/SCI with Polygraph

General Dynamics

•

Aurora, Colorado, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Hardware Support, Information Technology (IT) Infrastructure, Technical Support, Troubleshooting Certifications: None Experience: 0 + years of related experience ship Required: Yes Job Description: Transform technology into opportun
Posted 60+ days ago | Updated 10 hours ago