84 Results for

Security Administrator Jobs in Denver, CO

Jobs

Denver, CO20 days ago

Full-time
Employee

Position requires frequent sitting, occasional walking, climbing stairs, standing on cement floors, turning, stooping, bending, crouching, kneeling, reaching, pushing and pulling; may be subject to adverse working conditions, dust, grime, noise, fumes, wet floors etc., including weather; requires irregular and/or extended hours, including weekends, evening, and holidays, determined by event schedule and/or department need; Must possess the ability to lift objects up to 50 pounds to desk level. Provide staffing support for data entry (hours allocations, reports, security logs), assist with the POD’s (plan of the day) as needed, regular written correspondence, maintain and organize office files, customer service representation, and verbal communications, and special projects.

Boulder, CO30+ days ago

FIRST RF is a fast-growing, multi-discipline, privately owned small business focused on engineering and manufacturing of advanced technologies - specifically in antennas and radio frequency (RF) systems. By making bold investments in the development of groundbreaking technologies, FIRST RF has fielded award-winning products ranging from revolutionary passive antennas to highly complex, active antenna systems.

Denver, CO30+ days ago

$96,000–$155,000 Per Year

Implement and support secure cloud architectures by configuring, monitoring, and maintaining cloud security controls and integrations to protect applications, workloads, and data. Execute access provisioning and deprovisioning workflows to ensure privileges are granted, modified, and revoked securely and in accordance with policy and industry best practices.

Aurora, CO30+ days ago

This commitment, aligned with our core Vision and Values of Integrity, Respect, and Responsibility, allows us to leverage differences, encourage innovation, and expand our success in the global marketplace, ultimately enabling us to best serve our clients. This mid-level role ensures the availability, performance, and security of SharePoint-based collaboration platforms that enable effective project coordination, document management, and mission critical communications.

Littleton, CO30+ days ago

Support identity and access management integrations, including LDAP and token-based authentication, and partner with engineering and support teams to improve security, stability, and operational consistency across critical Linux environments. North Point Technology is hiring a senior Linux Administrator SME to support enterprise MLS configurations across mission-critical environments, including the Centralized Supercomputing Facility (CSCF) and other high-impact programs.

Lakewood, CO30+ days ago

$70,000–$95,000 Per Year

Please use the link provided here to apply for this position: [https://nexgen-technologies-inc.gnahiring.com/job/943901/gis-systems-administrator-arcgis-experience-required?s=connectingcolorado](https://nexgen-technologies-inc.gnahiring.com/job/943901/gis-systems-administrator-arcgis-experience-required?s=connectingcolorado){rel="noopener noreferrer" target="_blank"}. The GIS Systems Administrator will collaborate with engineers, developers, and end users to provide reliable, secure, and high-performing EGIS services, including desktop, web, and mobile GIS applications.

New!

Denver, CO1 day ago

$115,000–$160,000 Per Year

The work we do here goes far beyond day-to-day projects - it further protects the US defense industrial base from cyber threats, fosters thought leadership, and creates growth opportunities. This role will involve interactions with customer users both onsite and through a service desk and being a liaison for the team between higher level engineers and the service desk personnel.

Lakewood, Colorado11 days ago

As a Linux Systems Administrator I, you will provide support for our enterprise-level Linux-based systems and will assist with installation, configuration, testing, and management of the operating systems, hardware, and software to support our IT architecture and business needs. AMERICAN SYSTEMS provides for the welfare of its employees and their dependents through a comprehensive benefits program by offering healthcare benefits, paid leave, retirement plans, insurance programs, and education and training assistance.

Aurora, CO30+ days ago

Working closely with the service delivery teams, engineers, and project managers, the Journeyman ServiceNow Administrator supports system enhancements, data integrity, and user support while helping to optimize IT service management (ITSM) and IT operational management (ITOM) capabilities. This commitment, aligned with our core Vision and Values of Integrity, Respect, and Responsibility, allows us to leverage differences, encourage innovation, and expand our success in the global marketplace, ultimately enabling us to best serve our clients.

Aurora, CO30+ days ago

This rewrite reflects the source posting's emphasis on managing, securing, and optimizing high-performance, mission-critical systems and leading systems operations in support of geospatial analytics, software development, and data services. This role is ideal for a senior engineer who can own Linux-heavy operations in a classified environment while also supporting Windows systems, virtualization, automation, and overall platform reliability.

Littleton, CO30+ days ago

This role is ideal for a senior Linux expert who can troubleshoot deep system issues, automate administration at scale, and strengthen secure, reliable platform operations across complex environments. North Point Technology is hiring a Linux Administrator SME to support mission-critical environments across our Centralized SuperComputing Facility (CSCF) and other high-impact programs.

Boulder, CO30+ days ago

$175,000–$250,000 Per Year

Seeking experienced offensive security professionals to conduct security assessments, red team operations, and network exploitation activities in support of client security requirements. Pay Range: At GRVTY, we understand that compensation is influenced by many factors—such as geographic location, federal contract labor categories, wage rates, prior experience, skillsets, education, and certifications.

New!

Aurora, Colorado6 days ago

$117,000–$135,000 Per Year

New!

Aurora, Colorado6 days ago

$102,000–$109,000 Per Year

Lakewood, CO30+ days ago

Remote

$70,000–$95,000 Per Year

The GIS Systems Administrator will collaborate with engineers, developers, and end users to provide reliable, secure, and high-performing EGIS services, including desktop, web, and mobile GIS applications. (The successful candidate's starting pay will fall within the salary range provided and is determined based on job-related factors, including, but not limited to, the experience, qualifications, knowledge, skills, geographic work location, and market conditions.).

Aurora, CO30+ days ago

$75,000–$95,000 Per Year

Application Materials Required: Cover Letter, Resume/CV, List of References : Information Technology : Hybrid Department: U0001 -- Anschutz Med Campus or Denver - 22139 - ADM AVC VC Info Strategy&Svcs : Full-time : Jan 5, 2026 : Ongoing Posting Contact Name: ISS Human Resources Posting Contact Email: iss-humanresources@cuanschutz.edu (https://apptrkr.com/get_redirect.php?id=6827624&targetURL=iss-humanresources@cuanschutz.edu) Three to five professional references, including name, address, phone number (mobile number if appropriate), and email addressQuestions should be directed to:ISS Human Resourcesiss-humanresources@cuanschutz.edu (https://apptrkr.com/get_redirect.php?id=6827624&targetURL=iss-humanresources@cuanschutz.edu).

AURORA, CO30+ days ago

_As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote._. Use troubleshooting techniques to resolve technical problems of moderate to high scope and complexity to include the integration of hardware operating systems (OS) and program specific software.

New!

Boulder, CO4 days ago

Full-time
Employee

As an Incident Management (IM) specialist, you will use professional emergency management procedures to lead teams of engineers, lawyers, executives and others toward fast, effective responses to any situation and quickly mitigate and resolve security incidents. In Security Response, you will be a member of our global on-call response team and use the broad security experience and Digital Forensics and Incident Response (DFIR) - specific domain knowledge to investigate and respond to escalations from across Alphabet.

Aurora, CO30+ days ago

Major Job Activities: + Supports Program Manager, Operations Manager, and Task Order Project Managers in all areas of project delivery, including but not limited to personnel onboarding, training, and tracking; TO travel; and meeting arrangements and facilitation. Operating as a critical link between project leadership and operational staff, this position supports the day-to-day execution of contract deliverables through documentation management, schedule updates, data analysis, and stakeholder coordination.

Westminster, CO30+ days ago

$120,000–$160,000 Per Year

Demonstrated success with Linux, database system administration, and scripting Open source and custom application deployments and maintenance experience to include ATO and patching for cyber compliance Capable of working effectively with a geographically distributed ops & development team Communicates effectively with customers and team in written and oral forums Will work onsite in a SCIF 80% or as needs dictate Degree or equivalent demonstrated experience in a technical field. The base pay for this position within California, Colorado, Hawaii, and the Washington, DC metropolitan area is: $120,000.00 - $160,000.00 For all other states, we use geographic cost of labor as an input to develop market-driven ranges for our roles, and as such, each location where we hire may have a different range.

New!

Aurora, Colorado6 days ago

$128,000–$160,000 Per Year

Denver, Colorado30+ days ago

$45–$60

QUALIFICATIONS:Relevant degree or diploma in Information systems or information technology, Microsoft MCSE certification, experience administering server-side technology and networked computing systems. This includes participating in team meetings and implementing project tasks and time tracking: Attend and complete all internal OIT provided training and take advantage of professional development with manager approval.

Denver, Colorado30+ days ago

Remote

100% remote must be local to CO to apply Our direct client has an opening for an Linux Administrator 9328783This position is 9 months with the option of extension, and the client is in Denver, ColoradoIf you are interested, please send a rate and resume. By replying to this job advertisement, I agree I want to receive additional job advertisements from Focused HR Solutions, including email, phone and mail to the contact information I am submitting.

Aurora, CO12 days ago

$175,000–$205,000 Per Year

There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location , education and certifications as well as Federal Government Contract Labor categories. • Provides support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices.

Aurora, CO12 days ago

$155,000–$175,000 Per Year

Configure and manage UNIX and Windows (or other applicable) operating systems and installs/loads operating system software, troubleshoot, maintain integrity of and configure network components, along with implementing operating systems enhancements to improve reliability and performance. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location, education and certifications as well as Federal Government Contract Labor categories.

Aurora, CO12 days ago

$155,000–$175,000 Per Year

Boulder, CO30+ days ago

For the past forty-five plus years, we have supported Department of Defense customers by developing innovative remote sensing algorithms, tools, and techniques to deliver world-class data exploitation capabilities supporting missile defense; intelligence, surveillance, & reconnaissance; space domain awareness; and aircraft survivability missions. You will work within a fast-paced team delivering end-to-end software processing of Overhead Persistent InfraRed (OPIR) sensor data for Missile Warning, Missile Defense, Battlespace Awareness, and Technical Intelligence.

Boulder, CO10 days ago

$150,000–$185,000 Per Year

Kratos is valued for our ability to design and deliver leading edge, resilient solutions for aerospace communication, control, awareness and mission success across a continuum of offeringsfrom commercial to tailored custom solutions and integrated programs. Familiarity with the principles and practice of system configuration management using modern declarative tools; ability to model and reduce complex system requirements as configuration declarations.

Denver, CO30+ days ago

Remote

$91,000–$105,000 Per Year

You’ll collaborate with cross-functional teams to automate processes, strengthen observability, and drive proactive improvements that keep our environment secure, scalable, and always available. As a Splunk Administrator, you’ll make an impact by building and maintaining reliable, high-performing Splunk environments that power real-time insights across our cloud platforms.

Denver, CO30+ days ago

Remote

Our comprehensive and data-driven virtual health platform is designed to help people, providers, employers, health plans, government organizations, and communities optimize individual and population-wide well-being by driving positive behavior change. · Set up and support Windows and macOS laptops, enroll and manage Macs with Kandji and Apple Business Manager, partner with the depot on swaps and new hire kits.

Centennial, CO14 days ago

General Atomics (GA), and its affiliated companies, is one of the world’s leading resources for high-technology systems development ranging from the nuclear fuel cycle to remotely piloted aircraft, airborne sensors, and advanced electric, electronic, wireless and laser technologies. + Ability to work independently and as part of a team; capable of representing the organization as the primary contact on subcontract matters with program management, subcontractors, and customers, and provide leadership to less experienced professional employees on projects.

Denver, CO12 days ago

$100,000–$150,000 Per Year

The Dayforce HRIS Administrator plays a critical role in supporting this nationwide, multi-entity organization by ensuring Frontline’s Dayforce HCM platform is stable, scalable, and optimized to support continued growth. This position partners closely with HR Operations, Payroll, IT, and business stakeholders to configure workflows, manage system security, support integrations, and deliver accurate, actionable workforce analytics.

New!

Louisville, CO3 days ago

Full-time

Under direction of the Regional Director, the Clinical Administrator – Regional Lead onboards/ trains new Clinic Administrators (CA), assists director by ensuring operational required tasks are completed by Clinical Administrators, and is the conduit of information for assigned clinics in the region. Position Overview: The Clinic Administrator - Regional Lead oversees the daily administrative operations of the assigned clinic/s to ensure workflows are functioning properly and the appropriate infrastructure is in place to deliver efficient and effective care and the optimal patient experience.

Lakewood, Colorado30+ days ago

Demonstrated expertise with a range of tools, technologies, hardware, and systems, including but not limited to:VXRail, vSAN, Windows, Red Hat Linux, VMware, Microsoft Azure, HPE servers, preferred monitoring tools (Splunk or SolarWinds Orion), DataDomain backup appliances, Veritas NetBackup, Microsoft Active Directory, Microsoft Azure Active Directory, Ping Identity, Corestreet HID appliances and OCSP authentication support, RSA SecurID, Active Directory Federation Services (ADFS), Microsoft Certificate Server, Microsoft Key Management Server (KMS). Responsibilities: An Average Day: As the System Administrator (Systems) III you will lead the support for various operating systems, including VMware, Storage, and appliance-based systems, while taking on a significant responsibility for backup and restore support, security, antivirus technologies, and application support.

Denver, CO11 days ago

$80,000–$90,000

You bring strong project management skills to vendor relationships and team support requests, pair them with data entry and management practices, and deliver high-fidelity reporting to the full leadership team. As the gatekeeper of our systems and data, you will bridge the gap between business requirements and technical execution, optimizing our Salesforce instance to improve efficiency, productivity, and security across the entire organization.

Aurora, Colorado30+ days ago

$64.91–$74.52 Per Hour

Compensation at EverWatch is determined by various factors, including but not limited to location, the individual’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. Job Title: System Administrator Overview: EverWatch is a government solutions company providing advanced defense, intelligence, and deployed support to our country’s most critical missions.

New!

Littleton, CO2 days ago

Full-time

Bright Vision Technologies is a forward-thinking technology consulting company dedicated to delivering innovative IT solutions that help organizations optimize operations, strengthen security, and enhance mission-critical infrastructure. As we continue to grow, we’re looking for an experienced Systems Administrator (HPC Linux) to join our dynamic team and contribute to supporting critical national security programs.

Denver, CO10 days ago

Remote

$135,000–$165,000

Experience supporting compliance-driven environments (FedRAMP, SOC 2, ISO 27001, CJIS, or similar), particularly with respect to database controls – encryption, access management, and audit logging – is strongly preferred. Partner with the Data team to optimize Metabase performance – query review, dashboard tuning, source-database optimization, caching strategies, and Metabase application database administration.

Centennial, CO16 days ago

Full-time

the Cooper's Hawk Wine Club is perhaps the largest in the world, offering not only top-notch award-winning wines but also exclusive Wine Club membership benefits, including curated dining and travel experiences. Cooper's Hawk features a Napa-style tasting room with wine-inspired retail for entertaining and a full-service restaurant, bar and private event space, offering a modern-yet-casual dining experience.

Denver, CO30 days ago

Full-time

Ensure compliance with federal, state, and local payroll and tax regulations by monitoring multi-state filings and requirements managed by the TPA, verifying accuracy and timeliness of submissions; maintain all applicable payroll tax accounts and ensure accurate registration and ongoing compliance. Given the significance of our work and the increasing global reliance on our insights, we are looking for a Payroll Administrator to join us as we work to shape the way businesses perceive and navigate global risks.

New!

Denver, CO5 days ago

$97,600–$135,000

Here's what you'll take charge of: Enhancing Platform Efficiency: Oversee key administrative functions, including profiles, roles, permission sets, data management, and system maintenance to drive seamless operations. Managing Integrations: Oversee third-party applications and integrations within the GTM tech stack, ensuring smooth connectivity across marketing automation, sales enablement, and other essential tools.

Denver, CO30+ days ago

Support the development, design, configuration/setup, test, maintenance, and upgrade of Wide Area Networks (WAN), Local Area Networks (LAN), Network Attached Storage (NAS) or Storage Area Networks (SAN), Site to Site Virtual Private Networks (S2S VPN) and/or remote to site VPN, network monitoring solutions using Simple Network Management Protocol (SNMP) poll, SNMP traps or other protocols used for network monitoring. Eligible employees also gain access to a wide range of benefits from comprehensive health coverage and health savings accounts to retirement plans, life and disability insurance, and time-off programs that support work-life balance.

Golden, CO30+ days ago

PostgreSQL 9.6 or higher, Solr/Lucene, Elasticsearch AWS RDS and MongoDB, Python, Linux, Windows, Git, CI/CD pipelines, Docker, ECS, EKS, NGINX, Apache, Tomcat, Traefik, Atlassian Suite (Jira, Service Desk), shell scripting, Terraform, Strong troubleshooting and documentation skills. Understand using tools such as Kubernetes, Docker, ECS, EKS, NGINX, Apache, Tomcat, Traefik, Atlassian Suite (Jira, Service Desk) Python, shell scripting, Terraform, CDK and other open-source toolkits to enhance and maintain web applications, etc.

Denver, CO30+ days ago

Remote

$103,711–$138,281 Per Year

Lumen Technologies is seeking a Senior Information Security Engineer who can be part of planning, engineering and overseeing our SIEM (Security Information Event Manager) environment which is undergoing significant change. + Strong work ethic, demonstrated self starter, ability to work in a fast paced, team oriented environment with excellent verbal and written communication skills.

New!

Englewood, COToday

$110,100–$157,300 Per Year

EchoStar will provide reasonable accommodation to otherwise qualified job applicants and employees with known physical or mental disabilities, unless doing so poses an undue hardship on the Company, poses a direct threat of substantial harm to others, or is otherwise not required by law. Success involves bridging the gap between initial design and high-availability operations to tackle complex architectural challenges and performance bottlenecks.

Englewood, Colorado27 days ago

$110,100–$157,300 Per Year

Denver, CO30+ days ago

$19.62–$38.32 Per Hour

Finally, you will run processes related to information security risk management, conduct technical assessments across end user services, and define, document, maintain, and communicate security services for customer facing services provided by CSS. Oracle maintains broad salary ranges for its roles in order to account for variations in knowledge, skills, experience, market conditions and locations, as well as reflect Oracle’s differing products, industries and lines of business.

Englewood, CO30+ days ago

COMPETENCIES Customer service skills Good verbal and written communication skills Ability to apply common sense understanding to carry out written or oral instructions Proficiency in Microsoft Office Suite WORK ENVIRONMENT / PHYSICAL ACTIVITY The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. In addition to the base wage listed, team members are also eligible to earn an additional incentive subject to changes in plan design and documents and in accordance with applicable law.

Boulder, CO10 days ago

$140,000–$165,000 Per Year

This hybridInformation System Security Engineer (ISSE)position is an exciting opportunity based in Boulder, CO that encompasses dimensions of system/cybersecurity engineering and assisting leadership with knowledge of systems development, engineering, cybersecurity and integration. Keyword: NIST,DoD,TS/SCI,SCI,Intelligence Community,Information Systems Security Engineer,DoD 8570,ISSE,Cybersecurity Engineer,NIST RMF,Security Engineering Lead,Information Assurance Engineer,Systems Securit.

New!

Denver, COToday

$125,000–$200,000 Per Year

Credit Officer and is responsible for reviewing approving, declining, or recommending commercial credit applications within assigned approval limits while maintaining risk exposure consistent with bank loan quality guidelines. Monitors quality and performance of portfolio(s) and advises line partners on strategies to protect bank capital, Develops partnerships with other business line leaders for mutual goal attainment and collaboration on shared priorities.

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Security Administrator Jobs in Denver, CO

Jobs

Security Base CoordinatorColorado Convention Center - Legends Global

Security AdministratorFIRST RF

Information Security EngineerFirst Western

Journeyman SharePoint AdministratorV2X

Systems Administrator - SE Linux / MLS (TS/SCI Clearance Required)North Point Technology

GIS Systems Administrator-ArcGIS experience REQUIRED! - 20250730-ADMNexgen Technologies,

Senior Systems AdministratorSummit 7 Systems

Linux Systems Administrator IAMERICAN SYSTEMS

Journeyman ServiceNow AdministratorV2X

Systems Administrator - VMware/KVM (TS/SCI Clearance Required)North Point Technology

Systems Administrator - HPC Linux (TS/SCI Clearance Required)North Point Technology

Senior Information Security Engineer, Offensive SecurityGRVTY

Systems AdministratorTekSynap

Junior Systems AdministratorTekSynap

GIS Systems Administrator-ArcGIS experience required (Remote)Nexgen Technologies,

Senior Database Administrator (Open Rank)University of Colorado

Sr. Linux System AdministratorRTX Corporation

Security Engineer III, Security ResponseGoogle

Journeyman Project Administrator / Project Control SpecialistV2X

Linux System Administrator (TS/SCI With CI Poly)Maxar Intelligence I

Senior Systems AdministratorTekSynap

M3-20-System Administrator 9216404Focused HR Solutions

A318 Linux Administrator 9328783Focused HR Solutions

Principal Systems AdministratorEnvision Innovative Solutions

Senior Systems AdministratorEnvision Innovative Solutions

Senior Systems Administrator -HybridEnvision Innovative Solutions

Linux System AdministratorSciTec

Senior System AdministratorKratos Defense

Splunk AdministratorCognizant

Systems Administrator- RemoteSharecare

Subcontract Administrator VGeneral Atomics

Dayforce HRIS AdministratorFrontline Road Safety

Clinic Administrator - Regional LeadFamily Care Center

Systems Administrator (Systems) IIIAMERICAN SYSTEMS

Salesforce & Business Systems AdministratorDowntown Denver Partnership

System AdministratorEverwatch

Systems Administrator (HPC Linux)Bright Vision Technologies

Senior Database AdministratorKaseware, Inc.

Restaurant Office AdministratorCooper's Hawk Winery & Restaurants

Payroll AdministratorKharon

Sr. Salesforce AdministratorDecision Foundry

Network Administrator - Sigonella, ItalySerco

Sr. Systems Administrator (VMAdmin)Inalab

LEAD INFORMATION SECURITY ENGINEERLumen

Lead Network AdministratorDish Network

Lead Network AdministratorEchoStar

Undergrad Security Analyst Intern - Customer Success ServicesOracle

Office AdministratorBuilders First Sourc

Information System Security Engineer (ISSE)Kratos Defense

Credit AdministratorColumbia Bank

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