Security+ Jobs in Denver, CO

1 - 20 of 3,530 Jobs

Cyber Risk Defense Consultant - Splunk AdministratorJob Title - Cyber Risk Defense Consultant - Splunk Administrator

Kaiser PermanenteCompany Name - Kaiser Permanente

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Greenwood Village, Colorado, USA

Full-time

Job Summary: The Splunk Administrator is responsible for maintaining and administering servers and infrastructure supporting Kaiser Permanente's Security Information & Event Management platform as well as perform Splunk application administration activities including administration of a Splunk Cloud environment. The Splunk Administrator will augment an existing team and will perform system administration tasks on a very large and complex Red Hat environment and enterprise clustered Splunk envir

Military Fellowship Program: Systems Security EngineerJob Title - Military Fellowship Program: Systems Security Engineer

Sierra Nevada CorporationCompany Name - Sierra Nevada Corporation

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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

Senior Cloud EngineerJob Title - Senior Cloud Engineer

LeidosCompany Name - Leidos

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Aurora, Colorado, USA

Full-time

Description Looking for an opportunity to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. The Leidos National Security Sector (NSS) combines technology-enabled services and mission software capabi

Firewall Engineer (local to Englewood, CO only)Job Title - Firewall Engineer (local to Englewood, CO only)

Shift Code AnalyticsCompany Name - Shift Code Analytics

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Englewood, Colorado, USA

Contract, Third Party

Hi, Hope you are doing well I have an urgent opening of Firewall Engineer at Englewood, CO Position Type: Contract Location: Englewood, CO, United States Description: Interview : Video + Onsite interview This is onsite from day-1. Need only local candidates. Description : Required Skills & Experience - 7+ years network engineering - Strong firewall security - Cisco - Arista (ACLs specifically) - Juniper 4600s - Knowledge of video (multicasting) Nice to Have Skills & Experience - More in-depth v

Principal Cloud Software EngineerJob Title - Principal Cloud Software Engineer

ManTechCompany Name - ManTech

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Denver, Colorado, USA

Full-time

Mantech seeks a motivated and customer-focused Principal Cloud Software Engineer to join our team in Denver, CO or Chantilly, VA. In this role, you will design, develop, and support cloud-based backend applications, ensuring secure and scalable solutions for mission-critical systems. Responsibilities include but are not limited to: Design, develop, and maintain production backend applications for the ServiceNow platform using Java Deploy and manage services in cloud environments, with an emph

Network Operations Center (NOC) Designer - Tier 3Job Title - Network Operations Center (NOC) Designer - Tier 3

CACI International, Inc.Company Name - CACI International, Inc.

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Denver, Colorado, USA

Full-time

Network Operations Center (NOC) Designer - Tier 3 Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local Anticipated Posting End: There is not an anticipated end date for this posting since applications are needed on an ongoing basis. Team CACI has an exciting and challenging opportunity available for a Network Engineer supporting an Intellig

Systems Administrator Technician _TS/SCI with PolygraphJob Title - Systems Administrator Technician _TS/SCI with Polygraph

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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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 Adminis

Systems Administrator Technician _TS/SCI with PolygraphJob Title - Systems Administrator Technician _TS/SCI with Polygraph

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Aurora, Colorado, USA

Full-time

Principal Cloud Software EngineerJob Title - Principal Cloud Software Engineer

ManTechCompany Name - ManTech

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Denver, Colorado, USA

Full-time

Mantech seeks a motivated and customer-focused Principal Cloud Software Engineer to join our team in Denver, CO or Chantilly, VA. In this role, you will design, develop, and support cloud-based backend applications, ensuring secure and scalable solutions for mission-critical systems. Responsibilities include but are not limited to: Design, develop, and maintain production backend applications for the ServiceNow platform using JavaDeploy and manage services in cloud environments, with an emphasi

Security Operations Center (SOC) Analyst 2Job Title - Security Operations Center (SOC) Analyst 2

Palmer GroupCompany Name - Palmer Group

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Remote

Contract

Palmer Group's client in downtown Des Moines is seeking a Security Operations Center (SOC) Analyst 2 to take on the role of primary incident lead. In this position, you will be responsible for directing all aspects of the incident response process, including detection, analysis, validation, tracking, containment, recovery, coordination, escalation, and communication. This opportunity is a remote, long-term contract position. If you have the qualifications below and are interested in learning mor

Sr. Principal Linux System AdministratorJob Title - Sr. Principal Linux System Administrator

RaytheonCompany Name - Raytheon

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Aurora, Colorado, USA

Full-time

Date Posted: 2025-07-01 Country: United States of America Location: CO108: 16201 East Centretech Parkway 16201 East Centretech Parkway Building S78, 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 Sr. Principal Linux System Administrator - Aurora, CO, must have an active TS/SCI CI Poly

Information Systems Security ManagerJob Title - Information Systems Security Manager

LeidosCompany Name - Leidos

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Englewood, Colorado, USA

Full-time

Job DescriptionDescription 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 a

Voice Systems/Hardware Engineer - TS/SCI with PolyJob Title - Voice Systems/Hardware Engineer - TS/SCI with Poly

LeidosCompany Name - Leidos

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Denver, Colorado, USA

Full-time

Job DescriptionDescription The National Solutions Group at Leidos has an opening for a Voice Systems/Hardware Engineer to support a client s requirements in a challenging and dynamic setting located at Schriever SFB. The successful candidate will be required to execute, refine, and supervise the processes and procedures of Voice System/Hardware Engineering operations in a purpose-built enterprise environment throughout the operational lifecycle of customer directed mission applications. The VS/

Voice Systems/Hardware Engineer - TS/SCI with PolyJob Title - Voice Systems/Hardware Engineer - TS/SCI with Poly

LeidosCompany Name - Leidos

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Aurora, Colorado, USA

Full-time

(USA) Principal, Systems and Infrastructure Engineer, Information SecurityJob Title - (USA) Principal, Systems and Infrastructure Engineer, Information Security

Walmart Inc.Company Name - Walmart Inc.

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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

Entry Level ATLO Electrical System Integration/Test EngineerJob Title - Entry Level ATLO Electrical System Integration/Test Engineer

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

(USA) Software Engineer IIJob Title - (USA) Software Engineer II

Walmart Inc.Company Name - Walmart Inc.

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Denver, Colorado, USA

Full-time

Position Summary Join the dynamic and innovative Walmart/VIZIO Team as a Software Engineer II! This is a fantastic opportunity to work on cutting-edge software solutions within the ad-tech ecosystem. You'll be part of a talented team dedicated to building and maintaining robust applications, leveraging a diverse tech stack including Java Spring Boot and Laravel PHP. What you'll do About the Team: The Walmart/VIZIO Team is committed to delivering high-quality software solutions. We operate in a

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

Release Train EngineerJob Title - Release Train Engineer

Parsons Services CompanyCompany Name - Parsons Services Company

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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 a talented Release Train Engineer (RTE) to join our growing t

Systems Engineer Staff - Clearance RequiredJob Title - Systems Engineer Staff - Clearance Required

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Boulder, Colorado, USA

Full-time

Job Description Job Opportunity: Systems Engineer Stf - Next Gen Geo Operations and Sustainment Team We are seeking a highly skilled and dynamic Systems Engineer to join our Next Gen Geo (NGG) Operations and Sustainment team. As a key member of this team, you will play a critical role in driving operational excellence and optimizing processes. Description: As a Ground Systems Engineer for the Next Generation GEO Operations and Sustainment Team you will: - Provide real time, operational support