Entry Level Security Administrator Jobs in Denver, CO

81 - 100 of 843 Jobs

Senior Principal Systems EngineerJob Title - Senior Principal Systems Engineer

RTX CorporationCompany Name - RTX Corporation

•

Aurora, Colorado, USA

Full-time

Date Posted: 2025-07-01 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 The selected candidate will be a member of a specialized engineering team responsible for ensuring and m

Senior Network EngineerJob Title - Senior Network Engineer

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

•

Littleton, Colorado, USA

Full-time

Job Description As we enter a new era of Strategic Weapon Systems, Lockheed Martin is a pioneer, partner, innovator and builder. Our amazing men and women are on a mission to make a difference in the world and every single day we use our unique skills, talents and experiences to design and build solutions to some of the world's hardest engineering problems. Do you want to be part of a culture that inspires employees to envision the impossible, perform with excellence and build incredible produc

Tier III Engineer Long Haul Fiber SolutionsJob Title - Tier III Engineer Long Haul Fiber Solutions

SAICCompany Name - SAIC

•

Aurora, Colorado, USA

Full-time

Job ID: 2506460 Location: AURORA, CO, US Date Posted: 2025-06-06 Category: Engineering and Sciences Subcategory: Schedule: Full-time Shift: Day Job Travel: Yes, 10 % 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 support an array o

Cloud Senior Security Risk AnalystJob Title - Cloud Senior Security Risk Analyst

DP Professionals IncCompany Name - DP Professionals Inc

•

Remote or Columbia, South Carolina, USA

Contract

DPP is seeking a Cloud Senior Security Risk Analyst for an opportunity in Columbia, SC. Work arrangement: Onsite highly preferred, but open to remote W2 position; 6 months Candidates who are foreign nationals must have resided in the US for at least three (3) of the last five (5) years prior to assignment to the client s applicable government contract.Position summary: A typical day for a Cloud Senior Security Risk Analyst involves hands-on work with key technologies to ensure the security and c

Site Reliability EngineerJob Title - Site Reliability Engineer

York Space SystemsCompany Name - York Space Systems

•

Greenwood Village, Colorado, USA

Full-time

Salary: $90,000 - $120,000 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, grou

Unix / Linux System Administrator with DevOpsJob Title - Unix / Linux System Administrator with DevOps

Cymertek CorporationCompany Name - 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

IT Security Architect 4Must be Local to VA onlyJob Title - IT Security Architect 4Must be Local to VA only

V.L.S. Systems, IncCompany Name - V.L.S. Systems, Inc

•

Remote or Richmond, Virginia, USA

Contract

Role: IT Security Architect 4 Location: Richmond, VA(On Site Required for the first day to get ID and laptop. The rest of the time can be remote or on site. Putting HYBRID in case someone prefers to work on site) Duration: 8+Months Security Architect IV On Site Required for the first day to get ID and laptop. The rest of the time can be remote or on site. Putting HYBRID in case someone prefers to work on site. Parking is available on site for contractors. ABOUT THE ROLE Security Architect IV to

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

Sierra Nevada CorporationCompany Name - 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

Cloudflare Support Consultant- RemoteJob Title - Cloudflare Support Consultant- Remote

mProgenCompany Name - mProgen

•

Remote

Contract

Cloudflare experience 3-5 yearsProofPoint or other email security tools 3-5 years agoCybersecurity tool administration 3-5 yearsPrior Security Operations experience at last 5 yearsCybersecurity tool administration experience 3-5 years

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

LeidosCompany Name - Leidos

•

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

Sr. Director , Security Software EngineeringJob Title - Sr. Director , Security Software Engineering

INSPYR SolutionsCompany Name - INSPYR Solutions

•

Remote or Beverly Hills, California, USA

Full-time

Sr. Director, Security Software Engineering - Direct-Hire/FTE - Remote (EST)Title: Sr. Director, Security Software Engineering Location: Remote Duration: Direct-Hire/FTE Compensation: $280,000-300,000 Annual Base Salary Work Requirements: , Holders or Authorized to Work in the U.S.Job Description: Reporting to the Chief Engineer, you'll build and lead a security engineering team that fundamentally changes how we approach software security. By embedding security practices into the earliest stage

BusinSenior Cloud Security Risk AnalystJob Title - BusinSenior Cloud Security Risk Analyst

SPECTRAFORCE TECHNOLOGIES Inc.Company Name - SPECTRAFORCE TECHNOLOGIES Inc.

•

Remote or Columbia, South Carolina, USA

Full-time

Job Title: Senior Cloud Security Risk Analyst Location: Columbia, SC (Onsite is Highly Preferred but open to Remote) Duration: 6 months Job Summary: Duties/About the role: Develop strategies and approaches for business development proposals within a compliance and systems security context. Plan and perform compliance and systems security activities in alignment with contractual role. Communicate and escalate compliance and risk issues to the appropriate customer representative and/or level of ma

Network & Data Security Product ArchitectJob Title - Network & Data Security Product Architect

Avance ConsultingCompany Name - Avance Consulting

•

Remote

Full-time

Job DescriptionMandatory skills Zscaler and Rubrik (Zscaler ZIA, ZPA, As a partner technology architect, you will work closely with partner directors of specific products, sales and delivery teams, to design, develop and build custom solutions for our customers. You will need to have in-depth technical skills of Zscaler and Rubrik (Zscaler ZIA, ZPA, Advance DLP, SSE Rubrik Data Protection, DSPM, Data Threat Analytics, Cyber Recovery) and should be able to orchestrate and build the solution based

Sr Systems Engineer - Mid CareerJob Title - Sr Systems Engineer - Mid Career

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

•

Remote or 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

100% Remote || Security Engineer III with DSPMJob Title - 100% Remote || Security Engineer III with DSPM

V.L.S. Systems, IncCompany Name - V.L.S. Systems, Inc

•

Remote

Contract

Role: Data Security Engineer Location: 100% RemoteDuration: 6+ Months-CTH Work Arrangement: Remote ResponsibilitiesWe are seeking a Senior Data Security Engineer to architect and develop initiatives to protect sensitive and regulated data across cloud and hybrid environments. This role is highly technical, requiring expertise in Data Security Posture Management (DSPM), encryption, DLP, and data classification. The ideal candidate will drive the implementation of data security frameworks, monitor

Linux / Unix Systems AdministratorJob Title - Linux / Unix Systems Administrator

Cymertek CorporationCompany Name - 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

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

FluorCompany Name - 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

Network Engineer / Systems Administrator (SA)Job Title - Network Engineer / Systems Administrator (SA)

Cymertek CorporationCompany Name - 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

REMOTE Cloud EngineerJob Title - REMOTE Cloud Engineer

ALTA IT ServicesCompany Name - ALTA IT Services

•

Remote or Greenbelt, Maryland, USA

Full-time

ALTA IT has a Direct Hire position open for a Cloud Engineer. If you or anyone you know is interested in learning more, please send your updated resume to Looking forward to working with you! REMOTE Cloud Engineer ship is required Active Treasury clearance is preferred Responsibilities: Design, implement, and manage secure cloud architectures on platforms such as AWS, Azure, and/or Google Cloud Platform. Utilize extensive system administration experience to ensure seamless operations and hig

Configuration Analyst IIIJob Title - Configuration Analyst III

SNCCompany Name - SNC

•

Lone Tree, Colorado, USA

Full-time

The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, it is a leading prime manned and unmanned aircraft systems integrator for innovative, high-performance ISR and aviation systems. Its end-to-end Command, Control, Computers, Communications and Intelligence, Surveillance & Reconnaissance (C4ISR) capabilities encompass design, integration, test, certification, ground/flight training and complete logistics support. IAS t