NewTier 3 System Administrator – TS/SCI with Polygraph General Dynamics Information TechnologyTier 3 System Administrator – TS/SCI with PolygraphAurora, ColoradoCandidate must possess an appropriate and current Information Assurance (IA) Certification to be considered for employment; either valid CompTIA Security+ CE, Systems Security Certified Practitioner (SSCP) or Cisco Certified Network Associate (CCNA)-Security required to start. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available.
Coordinator-IT Operations Administrator Tallgrass Energy LPCoordinator-IT Operations AdministratorLakewood, CO$80,700–$121,100 / yearPrimary purpose: The Coordinator-IT Operations Administration supports the Information Technology department by performing administrative, financial, procurement, reporting, and coordination activities related to IT operations, technology services, vendor management, budgeting, asset tracking, and departmental business processes. This position works closely with IT leadership, technical teams, finance/accounting, procurement, vendors, and internal customers to support accurate reporting, timely processing of invoices and purchase requests, budget tracking, contract administration, and consistent application of corporate policies and procedures.
System Administrator Booz Allen Hamilton IncSystem AdministratorAurora, CO$61,900–$141,000 / yearYour technical expertise will be vital as you troubleshoot user issues, administer Windows servers and workstations, manage Active Directory and Group Policy, deploy system updates, support virtualization technologies, and ensure systems remain secure and compliant. Onsite: If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role.
NewSystems Administrator Technician - TS/SCI with Polygraph GD Information TechnologySystems Administrator Technician - TS/SCI with PolygraphAurora, ColoradoPerform anomaly, incident resolution, request fulfillment, Install Move Add Change Disposal (IMACD) support, Trusted Agent support, asset & configuration management of the operational baseline, support overall incident and change management. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available.
Principal Infrastructure Engineer (TS/SCI with Poly Required) DeNOVO SolutionsPrincipal Infrastructure Engineer (TS/SCI with Poly Required)Aurora, ColoradoIn addition to supporting current operations, this role will help evaluate infrastructure requirements, identify technical gaps, recommend improvements, and establish scalable approaches that allow DeNOVO's infrastructure to grow alongside expanding mission, program, and organizational requirements. The ideal candidate brings deep hands-on experience supporting classified and unclassified environments, administering complex Linux infrastructure, overseeing windows-based infrastructure, securing systems and networks, and troubleshooting across the full infrastructure stack.
Sr. Platform Operations Engineer, DevOps | TS Cleared Trace3Sr. Platform Operations Engineer, DevOps | TS ClearedColorado Springs, CO$120,000–$135,000 / yearThis individual contributor role serves as a primary technical escalation point during operational events, coordinating resolution efforts across multiple domains and mission stakeholders in a high-tempo environment requiring strong troubleshooting across compute, network, storage, and platform layers. Coordinate resolution activities across infrastructure, cybersecurity, networking, system administration, and program stakeholders during deployments, incidents, and recovery efforts.
Sr. Platform Operations Engineer, Devops | TS Cleared Trace3Sr. Platform Operations Engineer, Devops | TS ClearedColorado Springs, CO$120,000–$135,000 / yearThis individual contributor role serves as a primary technical escalation point during operational events, coordinating resolution efforts across multiple domains and mission stakeholders in a high-tempo environment requiring strong troubleshooting across compute, network, storage, and platform layers. Coordinate resolution activities across infrastructure, cybersecurity, networking, system administration, and program stakeholders during deployments, incidents, and recovery efforts.
Infrastructure Service Lead (ISL) shift 1 Peraton IncInfrastructure Service Lead (ISL) shift 1Colorado Springs, CO$104,000–$166,000 / yearIn this role you will support a mission-critical program delivering infrastructure engineering, service deployment, inrastructure operations, upgrades and sustainment of products and services in support of our client''s global missions. Strong experience in network administration to include the design, engineering, technical documentation, implementation, troubleshooting, and repair of network systems (routing, switching, firewall and voice instruments).
ITS System Administrator Terumo BCT IncITS System AdministratorLakewood, CO$78,100–$97,700 / yearProficient knowledge of Microsoft server operating systems and related enterprise applications, services and protocols including integration with 3rd party systems and custom developed applications (Active Directory, Group Policy, Exchange hybrid, SharePoint, SQL Management, MS Clustering, DNS, DHCP, F5 load balancing). The ITS Systems Administrator is a member of the ITS Systems Operations team and under general supervision position provides technical expertise in system administration, systems operations and design of server-based systems, VMWare, Azure, Office 365, SQL, Active Directory, and IT data center hardware.
Systems Engineer Lead ArcfieldSystems Engineer LeadColorado Springs, ColoradoFull timeThere 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 (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. Our solution areas include space mission engineering, atmospheric science, digital engineering, mission assurance, and advances in modeling and simulation that together with our enterprise-wide adoption of artificial intelligence and machine learning, lead to better systems and timely, reliable decision-making.
Systems Administrator ManTech International CorpSystems AdministratorAurora, CO$128,000–$214,400 / yearThere 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 (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. MANTECH's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.
NewTier 3 System Administrator – TS/SCI with Polygraph GD Information TechnologyTier 3 System Administrator – TS/SCI with PolygraphAurora, ColoradoCandidate must possess an appropriate and current Information Assurance (IA) Certification to be considered for employment; either valid CompTIA Security+ CE, Systems Security Certified Practitioner (SSCP) or Cisco Certified Network Associate (CCNA)-Security required to start. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available.
NewSystem Admin - Advanced Electronic Systems (EXPAT- Marshall Islands) Lockheed Martin CorpSystem Admin - Advanced Electronic Systems (EXPAT- Marshall Islands)Littleton, CO$95,900–$178,100 / yearTasking includes performing mission operations, computer maintenance and reconfiguration on Digital Processing Group and Mission Subsystem, managing communications equipment, network administration, information assurance, data recording/data management. Comp TIA Security+ certification and demonstrated networking experience such as configuring routers, switches, firewalls, and implementing identity and access management controls or differentiating common account management practices, etc.
Systems Administrator (X-Lab) - Level 3 (26-170) Northrop Grumman CorpSystems Administrator (X-Lab) - Level 3 (26-170)CO$94,200–$141,200 / yearIt is an essential operational system that enables the U.S. president, the secretary of defense, and combatant commanders at the strategic, regional, and operational levels to systematically plan ballistic missile defense operations, collectively monitor the battle, and dynamically control networked sensors and weapon systems to achieve global and regional mission objectives. A Bachelor's Degree in Computer Science, Information Technology, Computer Information Systems, Mathematics, Physics, or a related field from an accredited university, along with 5 years of experience; or a Master's degree in a related field with 3 years of relevant work experience; or 9 years of relevant work experience may be considered as an alternative to a degree.
Sr. Systems Administrator nLIGHTSr. Systems AdministratorLongmont, CO$80,000–$120,000 / yearLocated in Longmont, Colorado, nLIGHT-DEFENSE Systems, Inc. is a vertically integrated business that leverages internal capabilities - from semiconductor device through target identification - to develop systems that are both high-performance and cost-effective. This role partners closely with the Senior System Administrator to maintain reliable operations, strengthen security posture, manage image and patch lifecycles, and act as a Tier 2/3 escalation point.
Senior Systems Administrator/Technical Lead Parsons CorpSenior Systems Administrator/Technical LeadColorado Springs, CO$112,200–$196,400 / yearThe Senior Systems Administrator/Technical Lead will support multiple networks at various levels of security classification, providing the full range of support services required to manage the day-to-day operation and administration activities and end-to-end support. We have built this cultural legacy by working closely with analysts and operators to understand their needs and delivering meaningful value through innovative, cost effective, and intuitive software solutions.
Senior Systems Administrator/Technical Lead Parsons Commercial Technology Group Inc.Senior Systems Administrator/Technical LeadColorado Springs, CO$112,200–$196,400 / yearThe Senior Systems Administrator/Technical Lead will support multiple networks at various levels of security classification, providing the full range of support services required to manage the day-to-day operation and administration activities and end-to-end support. We have built this cultural legacy by working closely with analysts and operators to understand their needs and delivering meaningful value through innovative, cost effective, and intuitive software solutions.
Systems Engineer Lead Rite-Solutions IncSystems Engineer LeadColorado Springs, COThere 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 (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. The ideal candidate possesses a deep understanding of systems engineering principles, exceptional problem-solving skills, and a proven ability to lead cross-functional teams in delivering high-quality project outcomes.
Infrastructure Service Lead (ISL) - shift 1 PeratonInfrastructure Service Lead (ISL) - shift 1Colorado Springs, Colorado$104,000–$166,000 / yearFull timeIn this role you will support a mission-critical program delivering infrastructure engineering, service deployment, inrastructure operations, upgrades and sustainment of products and services in support of our client's global missions. Strong experience in network administration to include the design, engineering, technical documentation, implementation, troubleshooting, and repair of network systems (routing, switching, firewall and voice instruments).
Staff Information Systems Project Manager Northrop GrummanStaff Information Systems Project ManagerColorado Springs, CO$161,000–$241,400 / yearIdentify and coordinate technical and business resources across System Administrators, Network Engineers, Hardware Engineers, Software Developers, Cyber Security Engineers, Requirements Engineers, and MBSE Systems Engineers. Northrop Grumman Space Systems is seeking a Staff Information Systems Project Manager to join a multi-disciplined team responsible for the design, build, delivery, and sustainment of high-performance computer environments.