Security Administrator Jobs in Denver, CO

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IT Security Systems Analyst - REMOTE - CONTRACT TO HIRE

Kapsons LLC

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Remote

Full-time

A Fortune 500 company is seeking an experienced IT Security Analyst to support the security and compliance of enterprise systems, infrastructure, and applications. With a strong national presence and a culture rooted in innovation and collaboration, this organization offers the opportunity to work in a fast-paced, forward-thinking environment. This role is remote, with a preference for candidates based in Los Angeles or Houston due to team alignment. Occasional light travel may be required for t
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Posted moments ago

Senior Systems Administrator - TS/SCI with Poly

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
Posted 43 days ago | Updated 1 hour ago

Sr Systems Engineer - Mid Career

Lockheed Martin Corporation

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Littleton, Colorado, USA

Full-time

Job Description WHO WE ARE Lockheed Martin is a global leader in aerospace, defense, and technology solutions, dedicated to pushing the boundaries of innovation and shaping the future of the industry. With a rich legacy of excellence and a commitment to delivering advanced capabilities to our customers, we are proud to be at the forefront of cutting-edge technology and engineering. WHAT WE'RE DOING At Lockheed Martin, we're revolutionizing the aerospace and defense sector through groundbreakin
Posted 39 days ago | Updated moments ago

Senior Full Stack Engineer, Security Products

DigitalOcean

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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 are see
Posted 23 days ago | Updated 1 hour ago

Pre-Sales Information Security Solutions Architect

Request Technology, LLC

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Remote or Chicago, Illinois, USA

Full-time

This role requires up to 40% travel We are unable to sponsor for this permanent full-time role Position is bonus eligible Prestigious Enterprise Security Services Company is currently seeking a Pre-Sales Information Security Solutions Architect. Candidate will bring our cyber resilience solution to customers by advising, educating, and redefining the next generation of cybersecurity and recovery. This includes conducting ransomware readiness assessments and aligning customer expectations with th
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Posted 18 days ago

IT Security Program Manager

Sparity

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Remote or Atlanta, Georgia, USA

Contract

This individual will be responsible for managing project execution, monitoring team performance, ensuring optimal resource allocation, and overseeing vendor relationships. The Application Manager will also ensure that cross-work stream interactions are efficiently managed and that all deliverables align with business objectives, timelines, and quality standards. A comprehensive technical background and proven hands-on capabilities across diverse IT disciplines are essential for this position Key
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Posted 7 hours ago

Remote || Cloud Security Engineer

SanKar Inc

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Remote

Contract

Position: - Cloud Security EngineerLocation: - RemoteType: - Contract to Hire Job Description Job Responsibilities:Evaluate and integrate security tools (e.g., SCA, SAST, secrets scanning, CSPM, SSPM) through proof-of-concept (PoC) testing and hands-on validation.Engage with client stakeholders to provide expert guidance on cloud and application security best practices.Define and enforce OPA policies to block insecure Terraform deployments in the CI/CD process.Build and maintain dashboards withi
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Posted 5 days ago | Updated 1 hour ago

Technical Writer (Security Operations Center)

Serenity Info Tech, Inc.

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Remote

Contract, Third Party

Job Description:The Business Consultant supports the the Chief Information Officer (OCIO), Security Operations Center (SOC). The purpose of this position is to provide technical writing support, standardization of documentation, and business support across the Security Operations Center (SOC). The Business Consultant will initially focus on the development, consolidation, and standardization of the following artifacts for incident responders: Computer Security Incident Response Plan (CSIRP) SOC
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Posted 5 days ago | Updated 7 hours ago

Senior Cloud Security Engineer (Remote)

Progressive Leasing

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Utah, USA

Full-time

Progressive Leasing is a leading provider of in-store and e-commerce lease-to-own solutions. As an almost 20+ year old FinTech company that has gone from start-up to industry leader, we know how to innovate, simplify, and value all people. We are a company founded on our grit and we are constantly looking to the future. As an ever-evolving group of entrepreneurs and technologists, we strive to do the right thing period in all aspects of our work. We are a subsidiary of PROG Holdings (NYSE: PRG),
Posted 2 days ago | Updated 1 hour ago

Senior Cloud Security Engineer (Remote)

Progressive Leasing

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Arizona, USA

Full-time

Progressive Leasing is a leading provider of in-store and e-commerce lease-to-own solutions. As an almost 20+ year old FinTech company that has gone from start-up to industry leader, we know how to innovate, simplify, and value all people. We are a company founded on our grit and we are constantly looking to the future. As an ever-evolving group of entrepreneurs and technologists, we strive to do the right thing period in all aspects of our work. We are a subsidiary of PROG Holdings (NYSE: PRG),
Posted 2 days ago | Updated 1 hour ago

Cyber Lead / System Security Officer (SSO)

General Dynamics

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Remote

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Other Clearance Level Must Be Able to Obtain: Confidential Public Trust/Other Required: SSBI (T5) Job Family: Information Security Job Qualifications: Skills: Information Technology Security, Security Policies, Vulnerability Management Certifications: None Experience: 8 + years of related experience ship Required: No Job Description: Qualifications: The ideal candidate will have at least seven (7) years of IT knowledge
Posted 11 days ago | Updated 1 hour ago

Linux / Unix Systems Administrator

Cymertek Corporation

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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 moments ago

Cloud Security Engineer

Endava

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Remote

Full-time

What You Will DoEvaluate and integrate security tools (e.g., SCA, SAST, secrets scanning, CSPM, SSPM) through proof-of-concept (PoC) testing and hands-on validation.Engage with client stakeholders to provide expert guidance on cloud and application security best practices.Define and enforce OPA policies to block insecure Terraform deployments in the CI/CD process.Build and maintain dashboards within security tooling to highlight cloud security risks and sensitive data exposure.Interpret and comm
Posted 11 days ago | Updated 4 days ago

Network Engineer / Systems Administrator (SA)

Cymertek Corporation

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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 moments ago

Sr. Integration Systems Engineer

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: Our Space Operations directorate is passionate about making America the undisputed l
Posted 32 days ago | Updated 1 hour ago

Senior QA Engineer/ Remote , ( Denver, CO ),4+ Months Contract

Suncap Technology

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Remote or Denver, Colorado, USA

Contract

Senior QA Engineer Denver, CO (Remote) 4+ Months Contract Project Background and Objective This position requires a highly skilled Senior QA Engineer to establish and drive comprehensive automated testing strategies and practices as a part of the Department of Personnel and Administration's (DPA) critical software modernization project.. The primary objective is to ensure the quality, functionality, performance, accessibility, and security of the modernized web application through robust auto
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Posted 60+ days ago | Updated 9 hours ago

Cyber Security Architect - Security Architect - Blue Team

SES

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Remote

Full-time

Security Architect - Cyber Security Architect - Blue Team Type: W2 With Benefits - No C2C Location: Will Be Supporting Denver, CO Hours The Work You will work with our team of Architects to craft secure design patterns, perform security assessments, and review system designs using a risk-based, threat-modeling approach. The Security Architect will have the following core responsibilities: Partner with business and technology teams to define security designs that meet security requirements and en
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Posted 1 day ago

Information Systems Analyst, Space Security

Lockheed Martin Corporation

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Littleton, Colorado, USA

Full-time

Job Description Active Secret clearance with ability to obtain Top Secret clearance. Lockheed Martin Space (LMS) is seeking an experienced and highly skilled Information Systems Analyst to join our Operations, Compliance, Education and Training (OCET) Automation Integration & Tools team. As a team member, you will play a critical role in partnering with the security team to support application development and maintenance of multiple tools utilized across the Enterprise. **Key Responsibilities
Posted 60+ 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: 2025-07-15 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 60+ days ago | Updated 10 hours ago

Security Architect with Cloud exp

AgreeYa Solutions

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Remote

Contract

Skill Required: 7+ years of experience in a security engineering or architecture role, with a demonstrated focus on secure design reviews, threat modeling, and vulnerability management.In-depth knowledge of web application security principles, secure coding practices, and addressing common vulnerabilities (e.g., OWASP Top 10).Proficiency in designing secure architectures for on-premises and cloud environments (e.g., AWS, Azure).Strong understanding of OAuth, authentication and authorization mech
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Posted 8 days ago | Updated 4 days ago