Principal IT Security Engineer Jobs in Denver, CO

Refine Results
1 - 20 of 1,375 Jobs

IT Security Engineer

The Doyle Group

•

Remote or Denver, Colorado, USA

Full-time

IT Security Engineer The Doyle Group is a proven partner for Placement and Consulting services, headquartered in Denver, CO. Our core mission is to forge genuine partnerships with our clients who seek strategic talent solutions and to assist highly skilled candidates looking for their next career opportunity. With over 30 years of industry experience, our consultative approach allows us to provide a higher level of guidance and insight, empowering our clients to secure top IT talent that fits se
Easy Apply
Posted 15 days ago

IT Security Engineer - Lead

Navigant Consulting

•

Remote or Atlanta, Georgia, USA

Full-time

Job Family: IT Cyber Security Travel Required: Up to 10% Clearance Required: None What You Will Do: Our Security Engineer Lead plays a pivotal role within the Information Security Operations group that is dedicated to supporting Security Operations and Incident Management/Response processes, SIEM engineering, Threat Hunting, Automation, Cyber Architecture, and Threat Intelligence. This position is responsible for enhancing SIEM and tool monitoring, tuning, detection, and alerting across mult
Posted 60+ days ago | Updated 5 hours ago

Senior IT Security Engineer (Hybrid Work Schedule)

Virginia Jobs

•

Remote or Richmond, Virginia, USA

Full-time

Title: Senior IT Security Engineer (Hybrid Work Schedule) State Role Title: Salary Non-Specified Hiring Range: $121,581 - $155,000 Pay Band: UG Agency: Virginia Retirement System Location:Virginia Retirement System Agency Website:;br> Recruitment Type: General Public - G Job Duties Hybrid Work Schedule: this position will work onsite two days a week (Tuesday and Wednesday) and 3 days remotely (Monday, Thursday and Friday). VRS is seeking a highly skilled and experienced Senior IT Security Engi
Posted 60+ days ago | Updated 5 hours ago

(USA) Principal, Systems and Infrastructure Engineer, Information Security

Walmart Inc.

•

Remote or Denver, Colorado, USA

Full-time

Position Summary Are you ready to lead the charge in transforming our infrastructure? As a Principal, Systems and Infrastructure Engineer at Walmart/VIZIO, you will play a pivotal role in designing, building, and maintaining scalable and secure infrastructure. This is a unique opportunity to drive the migration and modernization of critical applications and systems, ensuring seamless transitions and minimal downtime. What you'll do About the Team: The Walmart/VIZIO Team is dedicated to levera
Posted 38 days ago | Updated 4 hours ago

IT Security Specialist

Cymertek Corporation

•

Aurora, Colorado, USA

Full-time

IT Security Specialist LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a detail-oriented and dedicated IT Security Specialist to join our team and safeguard our organization's digital assets. In this role, you will be responsible for identifying and mitigating security risks, implementing best practices, and ensuring the integrity and confidentiality of sensitive information. The ideal candidate will
Posted 60+ days ago | Updated 4 hours ago

Principal SDET, Cybersecurity Test Engineer

Judge Group, Inc.

•

Lakewood, Colorado, USA

Contract

Location: Lakewood, CO Salary: $150,000.00 USD Annually - $175,500.00 USD Annually Description: Job Title: Principal SDET - Cybersecurity Test Engineer Location: Lakewood, CO 80215, United States Employment Type: Full-time Industry: Medical Devices Job Description The Principal SDET - Cybersecurity Test Engineer plays a critical role in our medical device company, driving innovation and improving patient outcomes through life-saving technology. This role involves close collaboration with arc
Posted 1 day ago | Updated 1 hour ago

Sr Systems Security Engineer - ISSM

SNC

•

Lone Tree, Colorado, USA

Full-time

If you like solving complex IT and security problems using your deep analytical skills, this is the opportunity for you! SNC is looking for an Information System Security Manager (ISSM). As a Sr Systems Security Engineer, you will be using your skills and expertise to ensure continual compliance to NIST 800-53 controls, perform continuous monitoring, implement the Risk Management Framework for a key system within SNC. Typical tasks include but are not limited to: - Continuous Monitoring - Over
Posted 5 days ago | Updated 2 hours ago

Sr Systems Security Engineer - ISSM

Sierra Nevada Corporation

•

Lone Tree, Colorado, USA

Full-time

If you like solving complex IT and security problems using your deep analytical skills, this is the opportunity for you! SNC is looking for an Information System Security Manager (ISSM). As a Sr Systems Security Engineer, you will be using your skills and expertise to ensure continual compliance to NIST 800-53 controls, perform continuous monitoring, implement the Risk Management Framework for a key system within SNC. Typical tasks include but are not limited to: - Continuous Monitoring - Over
Posted 9 days ago | Updated 5 hours ago

Application Security Engineer

Apex Systems

•

Englewood, Colorado, USA

Full-time

Job#: 2079769 Job Description: Requirements: Experience: Application functional testing, preferably in wireless applications. Creating complex test scenarios to detect weaknesses leading to fraud. Security testing methodology (OWASP). Testing digital web/app applications with a thorough understanding of the wireless telecom domain. Solving complex technical problems independently and in a team environment. Various web/mobile app architectures. Preferred Qualifications: Masters Degree. Professi
Easy Apply
Posted 28 days ago | Updated 5 hours ago

Security Engineer

Pax8

•

Remote or Greenwood Village, Colorado, USA

Full-time

Pax8 is the leading cloud-based technology marketplace, simplifying the cloud journey for our partners by integrating technology, business intelligence and proactive service to deliver an unparalleled experience. Serving thousands of partners through the indirect sales channel, our mission is to build the technology marketplace of the future. We are a fast-growing, dynamic and high-energy startup organization, allowing you to make a meaningful impact on the business. Culture is important to us,
Posted 42 days ago | Updated 1 hour ago

Principal S/w Configuration Management Engineer [TS/SCI Poly], Onsite

RTX Corporation

•

Aurora, Colorado, USA

Full-time

Date Posted: 2025-07-09 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, fresh thinking and possibilities are forged in times of change and you will be on the
Posted 14 days ago | Updated 4 hours ago

Senior Product Security Engineer, Secure Design

DigitalOcean

•

Denver, Colorado, USA

Full-time

Dive in and do the best work of your career at DigitalOcean. Journey alongside a strong community of top talent who are relentless in their drive to build the simplest scalable cloud. If you have a growth mindset, naturally like to think big and bold, and are energized by the fast-paced environment of a true industry disruptor, you'll find your place here. We value winning together-while learning, having fun, and making a profound difference for the dreamers and builders in the world. We're look
Posted 38 days ago | Updated 5 hours ago

Sr. Systems Security Engineer

Sierra Nevada Corporation

•

Lone Tree, Colorado, USA

Full-time

If you like solving complex IT and security problems using your deep analytical skills, this is the opportunity for you! As a Sr 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 actions, conducting risk and vulnerabili
Posted 60+ days ago | Updated 5 hours ago

Principal Platform Engineer / Scrum Master (Onsite)

RTX Corporation

•

Aurora, Colorado, USA

Full-time

Date Posted: 2025-06-12 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 - Current At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help
Posted 51 days ago | Updated 4 hours ago

Principal Platform Engineer / Linux (Onsite)

RTX Corporation

•

Aurora, Colorado, USA

Full-time

Date Posted: 2025-06-12 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
Posted 51 days ago | Updated 4 hours ago

Military Fellowship Program: Systems Security Engineer

Sierra Nevada Corporation

•

Lone Tree, Colorado, USA

Full-time

SNC's Military Fellowship Program partners with programs such as SkillBridge and Hiring Our Heroes to provide fellowship opportunities to service members transitioning to the civilian workforce. These fellowships include up to six months of on-the-job industry training for eligible service members. During this time, participants gain valuable work experience in the civilian sector and build professional networks as they prepare for their transition to full-time civilian work. NOTE: You must be
Posted 60+ days ago | Updated 5 hours ago

IT Applications Engineer V, Integration - VMware Horizon VDI Suite

Kaiser Permanente

•

Greenwood Village, Colorado, USA

Full-time

Job Summary: The Principal VDI Engineer operates as a senior design architect and hands-on leader, comprehensively managing an organization's VMware Horizon environment with a strong emphasis on hybrid cloud integration. This involves expertly designing, deploying, optimizing, and securing complex VDI solutions that seamlessly span on-premises data centers and public cloud platforms, ensuring consistent high performance and user experience regardless of location. A portion of the role is dedica
Posted 4 days ago | Updated 4 hours ago

Full Stack Systems Engineer IT / TS/SCI Poly / Onsite: Littleton, CO

Lockheed Martin Corporation

•

Littleton, Colorado, USA

Full-time

Job Description Our employees are the core of everything we do, and they are helping the future arrive. As a leading technology innovation company, our team of over 100,000 people works with partners around the world to bring proven performance to our customers' toughest challenges. Headquartered in Bethesda, MD, Lockheed Martin has employees based in all 50 states and more than 570 facilities that span more than 70 countries. This Lockheed Martin Enterprise Operations (EO) position will suppor
Posted 53 days ago | Updated 4 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 40 days ago | Updated 5 hours ago

(USA) Principal, Software Engineer, Information Security

Walmart Inc.

•

Remote or Bentonville, Arkansas, USA

Full-time

Position Summary What you'll do About the Role As a Principal Software Engineer on our AI Security team, you will be a hands-on technical leader helping shape how we build, secure, and scale AI systems across the company. You will review and evolve our AI security standards, assess internal AI projects, and apply your deep technical background and threat landscape awareness to drive meaningful improvements to our security posture. This role requires a unique blend of security expertise, syst
Posted 4 days ago | Updated 4 hours ago