Security+ Jobs in Denver, CO

21 - 40 of 3,554 Jobs

Senior Systems Administrator - TS/SCI with PolyJob Title - Senior Systems Administrator - TS/SCI with Poly

LeidosCompany Name - Leidos

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Aurora, Colorado, USA

Full-time

Leidos is seeking a highly skilled Senior Systems Administrator to support mission-critical operations across various laboratory environments. This role focuses on acquiring, configuring, and maintaining computer servers, operating systems, networks, and network file systems to address complex mission-specific challenges. The Senior Systems Administrator will work in dynamic lab settings, providing technical expertise, troubleshooting, and support to ensure reliable and secure IT infrastructure

Cyber Security Engineer Sr (Software) - TS/SCI ClearanceJob Title - Cyber Security Engineer Sr (Software) - TS/SCI Clearance

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Remote or Littleton, Colorado, USA

Full-time

Job Description What We're Doing At Lockheed Martin, we unite individuals driven by purposeful innovation to keep people safe and tackle the world's most complex challenges. Our team consists of the brightest minds in the industry, working together to advance technology and protect critical systems. We foster a culture of integrity, collaboration, and corporate responsibility, making Lockheed Martin a place where innovation thrives. The Work Lockheed Martin Rotary & Mission Systems is seekin

Senior Network Administrator (TS/SCI with Poly Clearance Required)Job Title - Senior Network Administrator (TS/SCI with Poly Clearance Required)

FluorCompany Name - Fluor

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Aurora, Colorado, USA

Full-time

Job Description This position requires an active (or ability to obtain) TS/SCI with Polygraph Clearance The Senior Network Administrator has advanced knowledge within designated Information Technology (IT) area of responsibility that is applied to broad and diverse assignments and associated requirements. This role plans and coordinates activities related to the design, development, implementation and integration of IT solutions. The Network Administrator analyzes, evaluates, and recommends

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

System AdministratorJob Title - System Administrator

Maxar Technologies Holdings IncCompany Name - Maxar Technologies Holdings Inc

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Westminster, Colorado, USA

Full-time

Please review the job details below. Maxar is seeking an experienced System Administrator with familiarity with implementing and maintaining CMMC security controls and procedures to contribute to an agile and fast-paced software development team environment in support of our USG customer's national security mission. We are seeking people who embrace teamwork and knowledge-sharing and thrive in a culture of continuous improvement. The ideal candidate will value both collaboration and independent

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

General DynamicsCompany Name - General Dynamics

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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 Administ

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

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

Systems AdministratorJob Title - Systems Administrator

General DynamicsCompany Name - General Dynamics

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Aurora, Colorado, USA

Full-time

This is an unpaid fellowship through the Department of Defense (DoD) SkillBridge Program. The fellow selected for this role will not receive compensation or benefits from GDIT and will not be an employee, agent or contractor of GDIT but rather will remain an employee of the DoD and will receive compensation and benefits through the DoD. Type of Requisition: Regular Clearance Level Must Currently Posses: Top Secret SCI + Polygraph Clearance Level Must Be Able To Obtain: Top Secret SCI + Polygr

O&M Software EngineerJob Title - O&M Software Engineer

RTX CorporationCompany Name - RTX Corporation

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Aurora, Colorado, USA

Full-time

Date Posted: 2025-04-29 Country: United States of America Location: CO112: Buckley AFB 18500 East 6th Ave 18500 East 6th Avenue Buckley AFB, 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 Raytheon is currently seeking a Senior Software Engineer (Principal Specialist) to join our talented tea

Principal Platform Engineer / Scrum Master (Onsite)Job Title - Principal Platform Engineer / Scrum Master (Onsite)

RTX CorporationCompany Name - RTX Corporation

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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

Senior Platform Engineer (Onsite)Job Title - Senior Platform Engineer (Onsite)

RTX CorporationCompany Name - RTX Corporation

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Aurora, Colorado, USA

Full-time

Date Posted: 2025-05-30 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

Cyber Security Engineer (Software) - TS/SCI ClearanceJob Title - Cyber Security Engineer (Software) - TS/SCI Clearance

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Remote or Littleton, Colorado, USA

Full-time

Tier 2 Network EngineerJob Title - Tier 2 Network 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 sharp Tier 2 Network Engineer to join our growing team! In

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

System Administrator Associate_TS/SCI with PolygraphJob Title - System Administrator Associate_TS/SCI with Polygraph

General DynamicsCompany Name - General Dynamics

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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: 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

Information Systems Security Officer Senior (ISSO)Job Title - Information Systems Security Officer Senior (ISSO)

York Space SystemsCompany Name - York Space Systems

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Greenwood Village, Colorado, USA

Full-time

Salary: $120,000-$135,000 York Space Systems was founded to radically improve spacecraft affordability and reliability, transforming, and enabling next generation space mission operations worldwide. Today, it is one of the most innovative aerospace companies, specializing in both end-to-end customer solutions and the rapid production of spacecraft platforms. York's complete Space Segment Solution including spacecraft production, payload integration, system integration & test, launch services, g

Identity Architect (15+yrs exp. Needed)Job Title - Identity Architect (15+yrs exp. Needed)

Digitive LLCCompany Name - Digitive LLC

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Remote

Contract, Third Party

Position: Identity Architect (15+yrs exp. Needed) Location: Remote What are the top 3 skills required for this role? 1. SailPoint IdentityNow 2. CyberArk 3. Ping Federate Job Description/ Responsibilities Identity Management Design: Develop and maintain the architecture for identity management solutions that align with organizational strategies. Design and implement identity governance and administration frameworks. Business Identity Solutions: Oversee and enhance business identity solutions to

Identity ArchitectJob Title - Identity Architect

Digitive LLCCompany Name - Digitive LLC

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Remote

Third Party, Contract

Identity Architect Remote Role 12+ Months Contract Exp Level- 15 Years Req Skills- Identity Architect, SailPoint Identity Now, CyberArk, Ping Federate What are the top 3 skills required for this role? SailPoint Identity NowCyberArkPing Federate Job Description Identity Management Design:Develop and maintain the architecture for identity management solutions that align with organizational strategies.Design and implement identity governance and administration frameworks.Business Identity Solution

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

General Dynamics Information TechnologyCompany Name - 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 Systems, Information Technology (IT) Systems Certifications: CompTIA - Security+ CE - CompTIA Experience: 1 + years of related experience ship Required: Yes Job Description: We are GDIT. The people su