Security Administrator Jobs in Denver, CO

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Unix / Linux System Administrator with DevOps

Cymertek Corporation

•

Aurora, Colorado, USA

Full-time

Unix / Linux System Administrator with DevOps 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 motivated **Unix / Linux System Administrator with DevOps** expertise to join our team and manage the infrastructure that supports our applications and services. In this role, you will be responsible for maintaining, automating, and optimizing our Unix and Linux-based systems while integrating Dev
Posted 60+ days ago | Updated 1 hour ago

Senior Systems Engineer

SAIC

•

Aurora, Colorado, USA

Full-time

Job ID: 2505332 Location: AURORA, CO, US Date Posted: 2025-05-06 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is looking for a senior network engineer / systems administrator with background in configuring, maintaining, and troubleshooting networking equipment, servers and processing s
Posted 4 days ago | Updated 10 hours ago

Systems Administrator (TS/SCI with Poly Clearance Required)

Fluor

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Aurora, Colorado, USA

Full-time

Job Description Must possess a clearance at the TS/SCI access level, and have favorably completed a government issued polygraph The Systems Administrator is highly knowledgeable within designated Industrial Control System (ICS) Information Technology (IT) area of responsibility and applies that knowledge toward broad and diverse assignments. This role will install, maintain, audit, and support a stand-alone Microsoft Windows network environment using a VMware backend infrastructure. Analyze
Posted 60+ days ago | Updated 1 hour ago

Linux / Unix Systems Administrator

Cymertek Corporation

•

Aurora, Colorado, USA

Full-time

Linux / Unix Systems Administrator LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a dedicated and detail-oriented Linux / Unix Systems Administrator to join our team and ensure the stability, security, and efficiency of our systems infrastructure. In this role, you will be responsible for managing, monitoring, and maintaining Linux and Unix servers, troubleshooting system issues, and implementing soluti
Posted 60+ days ago | Updated 1 hour ago

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

Fluor

•

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
Posted 22 days ago | Updated 1 hour ago

Network Engineer

CACI International, Inc.

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Denver, Colorado, USA

Full-time

Network Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: None Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local Anticipated Posting End: 6/23/2025 The Opportunity: CACI is seeking a Network Engineer to support the Federal Protective Service (FPS) located in Denver, CO. Responsible for the implementation, deployment, and maintenance of networks for a federal government customer's distributed enterp
Posted 44 days ago | Updated 27 days ago

Network Engineer / Systems Administrator (SA)

Cymertek Corporation

•

Aurora, Colorado, USA

Full-time

Network Engineer / Systems Administrator (SA) 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 proactive **Network Engineer / Systems Administrator (SA)** to join our team and play a pivotal role in maintaining and enhancing our IT infrastructure. In this role, you will be responsible for designing, implementing, and managing network systems, as well as ensuring the reliability, secur
Posted 60+ days ago | Updated 1 hour ago

Site Reliability Engineer Senior

York Space Systems

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Greenwood Village, Colorado, USA

Full-time

Salary: $130,000 - $160,000 York Space Systems was founded to radically improve spacecraft affordability and reliability, transforming, and enabling next-generation space mission operations worldwide. Today, York is one of the most innovative aerospace companies, specializing in end-to-end customer solutions and the rapid production of spacecraft platforms. York's complete Space Segment Solution includes spacecraft production, payload integration, system integration & test, launch services, gro
Posted 33 days ago | Updated 1 hour ago

Telecommunications Engineer

SAIC

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Aurora, Colorado, USA

Full-time

Job ID: 2504972 Location: AURORA, CO, US Date Posted: 2025-04-23 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-time Shift: Day Job Travel: Yes, 25 % of the Time Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description JOB DESCRIPTION: SAIC is seeking a long-haul fiber Telecommunications Engineer in Aurora, CO area to support a government customer. The successful candidate will
Posted 17 days ago | Updated 10 hours ago

Data Warehouse Engineer

Cymertek Corporation

•

Aurora, Colorado, USA

Full-time

Data Warehouse Engineer 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 innovative Data Warehouse Engineer to join our team and help design, build, and maintain high-performance data warehousing solutions. In this role, you will collaborate with cross-functional teams to structure and optimize large-scale data environments, ensuring efficient data integration, storage, and acces
Posted 60+ days ago | Updated 1 hour ago

Technical Integration Engineer - TS/SCI with Poly

Leidos

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Aurora, Colorado, USA

Full-time

Leidos is seeking a highly skilled Technical Integration Engineer (TIE) to join our dynamic team. This hybrid role combines the expertise of a Systems Administrator, Software Engineer, and Information Systems Security Engineer (ISSE) to design, implement, and maintain complex technical solutions that drive mission success. The Technical Integration Engineer will play a critical role in integrating systems, ensuring security compliance, and developing software solutions to support enterprise-leve
Posted 14 days ago | Updated 1 hour ago

Sr Systems Administrator

Sierra Nevada Corporation

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Remote or Lone Tree, Colorado, USA

Full-time

Do you have an eye for detail and a passion for developing innovation solutions? Join our team! As a Sr Systems Administrator, you will be using your skills and expertise to assist in the analysis, development, and configuration of our existing software and systems that address business requirements and processes. You'll be responsible for evaluating the interface between hardware and software, operational requirements, and characteristics of our systems, establishing and documenting system para
Posted 60+ days ago | Updated 1 hour ago

Director of Product Security Architecture

DFND Security

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Remote

Contract

We are looking for a Director or Product Security Architecture for a position expected to start right away. The position is expected to be a contract to hire, est hours and work from home. Some more details are below. Please let me know if you are interested and when a good time is to get in touch with you. Thanks for your time. You will be responsible for defining a broad and detailed technical strategy for security that encompasses all products, including next-gen software solutions, existing
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Posted 13 days ago | Updated 11 days ago

Linux Systems Administrator

Booz Allen Hamilton

•

Lakewood, Colorado, USA

Full-time

Job Number: R0216958 Linux Systems Administrator The Opportunity: Your combination of people skills and technical expertise makes you the team hero, solving one problem after another. We're looking for a systems administrator to help us maintain forensic systems and infrastructure. As a systems administrator on our project, you'll constantly look for ways to make our infrastructure better using the latest technology and the best implementation strategies. You'll provide your customers with insi
Posted 23 days ago | Updated 1 hour ago

Systems Engineer - IT Sr

Lockheed Martin

•

Boulder, Colorado, USA

Full-time

Job ID: 688866BR Date posted: Apr. 07, 2025 Description:The coolest jobs on this planet or any other are with Lockheed Martin Space. At the dawn of a new space age, Lockheed Martin is a pioneer, partner, innovator and builder. Our amazing people are on a mission to make a difference in the world and every single day we use our skills and experiences to create, design and build solutions to some of the worlds' hardest engineering problems. Our culture encourages employees to dream big, perform w
Posted 2 days ago | Updated 2 hours ago

Security Specialist on W2 (USC)

Intellisoft Technologies

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Remote

Contract

Hi , Hope you are doing well, This is Ritesh Kumar Sarva from Intellisoft Technologies and I hope this mail finds you in high spirits. Besides, I just want to share the job opening as Software Engineer with Security it s for (Remote) Location for Contract, which came in recently. Please! Check the same and let me know your interest or else you can reach me at or call me at Ext. 148 Position: Software Engineer with Security Location: Remote Job Type: Contract Job Description: Client is looki
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Posted 2 days ago

Systems Administrator

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
Posted 35 days ago | Updated 1 hour ago

Customer Monitoring Center Technical Architect

Johnson Controls

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Aurora, Colorado, USA

Full-time

What we offer Johnson Controls offers a supportive team environment and add to that a competitive salary, best in class benefits package starting on day 1, which includes medical, dental & vision, 401(k), tuition reimbursement, paid time off and career growth opportunities! What you will do Johnson Controls is seeking a Customer Monitoring Center Technical Architect to join their IT Field Services team based in the US! You will have the opportunity to apply modern strategies and best practice
Posted 8 hours ago | Updated 8 hours ago

Customer Monitoring Center Technical Architect

Johnson Controls

•

Aurora, Colorado, USA

Full-time

What we offer Johnson Controls offers a supportive team environment and add to that a competitive salary, best in class benefits package starting on day 1, which includes medical, dental & vision, 401(k), tuition reimbursement, paid time off and career growth opportunities! What you will do Johnson Controls is seeking a Customer Monitoring Center Technical Architect to join their IT Field Services team based in the US! You will have the opportunity to apply modern strategies and best practice
Posted 1 day ago | Updated 10 hours ago

Senior Database Engineer

Motorola Solutions

•

Westminster, Colorado, USA

Full-time

Company Overview At Motorola Solutions, we believe that everything starts with our people. We're a global close-knit community, united by the relentless pursuit to help keep people safer everywhere. Our critical communications, video security and command center technologies support public safety agencies and enterprises alike, enabling the coordination that's critical for safer communities, safer schools, safer hospitals and safer businesses. Connect with a career that matters, and help us buil
Posted 2 days ago | Updated 1 hour ago