System Administrator
$85k - $95kDavis Partnership
Overview We are seeking an experienced Windows Systems & Infrastructure Administrator to lead and support our on‑premises and hybrid infrastructure environments. This role focuses on Windows Server administration, virtualization, enterprise storage, data protection, and cyber resilience. You will be responsible for the stability, security, and lifecycle management of core infrastructure platforms supporting business‑critical applications. This critical position plays a key role in operational reliability, system modernization, and cybersecurity resilience across data center and cloud‑integrated environments. Core Systems & Infrastructure Administration Administer and support Microsoft Windows Server environments (2019, 2022, and 2025) Perform patching, upgrades, firmware updates, and lifecycle management to ensure system stability and security Deploy and manage new Microsoft server builds, upgrades, and role migrations Maintain Active Directory, DNS, DHCP, and domain controller infrastructure Provide front‑line technical support and serve as an escalation point for infrastructure issues Virtualization & Compute Platforms Administer and support VMware vSphere virtual infrastructure Perform monthly patching, upgrades, and lifecycle planning for VMware environments Support dHCI platforms, including patching and integrated infrastructure management Enterprise Storage & Data Center Operations Administer SAN environments Storage provisioning Performance monitoring and tuning Capacity and growth planning Support data center operations including: On‑site and remote "hands & eyes" Rack-and-stack of server and network hardware Tech refresh and equipment decommissioning Data Protection, Backup & Cyber Resilience Administer Data Protection platforms Support and manage Zerto Data Replication Training and platform upgrades (including Zerto 10) Participate in data protection documentation, recovery planning, and resilience testing Manage email and endpoint protection platforms Server Applications & Platform Support Support infrastructure and backend services for enterprise applications including: Deltek Vantagepoint Microsoft SQL Server Newforma Project Center Core IT management servers Manage and support: Microsoft Intune Microsoft Azure / Entra ID Network monitoring platforms IT management tools (Quest KACE, ManageEngine) Zendesk help desk Networking & Operational Collaboration Support infrastructure initiatives involving networking platforms in collaboration with network engineers Assist with VLAN segmentation, firewall integrations, and DNS/DHCP cleanup initiatives Participate in disaster recovery testing, infrastructure audits, and security initiatives Maintain accurate technical documentation for systems, configurations, and change management Frontline End User Support Provide occasional end user support with end point hardware and applications End user applications including Autodesk Revit, Adobe Creative Cloud, Sketchup, Revizto, Autodesk 3DS Max, and Chaos Group V-Ray render farm Meeting Room and Collaboration space technology support Requirements 5-10 years of experience in Windows System Administration or Infrastructure Engineering Strong knowledge of Windows Server (2022 and 2025) Experience with Active Directory, Group Policy, DNS, and DHCP Experience with Microsoft Exchange Server (on-premises, Online, and hybrid) Benefits Type: Full-Time benefits package including healthcare options, dental, vision, life & disability insurance, 401k, Paid Time Off, etc. Location Denver, Colorado — Hybrid / with four office days per week after training period is completed (subject to supervisor approval) Salary $85,000 - $95,000 annually (Depending upon experience, knowledge, skills, certifications and education) #J-18808-Ljbffr Davis Partnership
- ...Job Summary and Responsibilities As an IT PACS Systems Administrator, you will be a lead technical expert, responsible for advanced management, maintenance, troubleshooting, and optimization of our PACS and enterprise imaging infrastructure. Every day you will oversee...Suggested
- ...Agfa HealthCare Corporation is seeking a Systems Administrator to manage and troubleshoot EI equipment operations. The ideal candidate will possess excellent communication skills, a related degree, and experience in systems administration. Join a dynamic global organization...SuggestedRemote work
- A healthcare organization in Colorado is seeking an experienced IT PACS Systems Administrator to manage and optimize the PACS and imaging infrastructure. You will oversee system health, perform complex configurations, and mentor junior staff. The ideal candidate should...Suggested
$82.7k - $173.9k
Job Title: Cloud and Infrastructure Systems Administrator - Linux admin Job Category: Information Technology; Time Type: Full time; Minimum Clearance Required to Start: TS/SCI with Polygraph; Employee Type: Regular; % Travel Required: None. The Opportunity We are seeking...SuggestedFull timeLocal areaRemote work$120k - $192k
System Administrator II (Linux) TS/SCI clearance with polygraph required. DCCA is a veteran‑owned IT business specializing in innovative solutions for government agencies and commercial enterprises since 1982. We provide career growth opportunities and a competitive compensation...Suggested$80k - $100k
Alta Trust Company is seeking an IT Systems Administrator to support and maintain our internal technology environment. This role will be responsible for employee technology support, endpoint management, Microsoft 365 administration, cybersecurity initiatives, and assistance...$80.75k - $109.25k
...safety, quality, and professional growth, offering career advancement opportunities for employees. Position Summary The IT Systems Administrator manages and supports IME’s IT infrastructure across on‑premises and cloud environments, ensuring system reliability, security...Full timeFor contractorsWork at officeLocal areaRemote workVisa sponsorshipWork visa- CACI International Inc is seeking a Systems Administrator to support the Federal Protective Service in Denver. The role focuses on maintaining a Windows server environment, implementing security measures, and managing datacenter technologies on a project-based timeline....
$92.3k - $166.85k
...landscape and succeed in their pursuit to protect people and critical assets. The Chinook Program is currently seeking a Senior Systems Administrator. As a senior member of our IT operations team, you will play a key role in managing, supporting, securing, and optimizing...Contract work$7.5k
Job Brief Implementation support, IT systems maintenance and troubleshooting, optimizing system operations Job Description We are searching for talented individuals who provide intelligence, engineering, and mission management expertise for the Government. This program...Work experience placementImmediate startFlexible hours- ...excellence. Position Requirements: Provides support for implementation, troubleshooting, and maintenance of Information Technology (IT) systems. Manages IT system infrastructure and any processes related to these systems. Provides support to IT systems, including day-to-day...Flexible hours
$40 - $50 per hour
...and experience — talk with your recruiter to learn more. Base pay range $40.00/hr - $50.00/hr - 3-5 years of experience as a system administrator in a large-scale professional setting - Experience with Redhat Linux OS - Experience with Ubuntu or CentOS Middleware -...Contract workRemote workShift workNight shiftDay shiftAfternoon shift- ...individual must have first‑hand experience leading/supporting IBM and RedHat (RHEL) developers through troubleshooting complex Operating System problems, including IBM Power HA (High Availability) and RHEL clustering applications SAN expertise to include evaluation of “need...Full time
$158k - $190k
Overview We are seeking a Senior Systems Administrator to join our Task Order proposal on the Defense Intelligence Agency’s Solutions for the Information Technology Enterprise III (SITE III). The Senior Systems Administrator maintains smooth operation of multi‑user computer...Full timeContract workTemporary workMonday to FridayWeekend workAfternoon shift- An established industry player is seeking a dedicated IT Systems Administrator to join their team. This role involves providing essential support for the implementation, troubleshooting, and maintenance of IT systems while managing daily operations. The ideal candidate...
$120k - $165k
Join Voyager Technologies, Inc. as a Systems Administrator in Denver, CO. This role requires a TS/SCI security clearance and involves managing and maintaining critical IT infrastructure. Key responsibilities include administering Microsoft 365 and Azure environments, optimizing...$99.3k - $208.6k
## Systems AdministratorDenver, CO, USApply NowFind out how well you match with this jobJob ID328743Job Title: Systems AdministratorJob... ...CACI has an exciting and immediate opportunity for a Systems Administrator to support the Federal Protective Service (FPS) located at the...Contract workWork experience placementImmediate startRemote workFlexible hours$115k - $120k
Edgewater Federal Solutions is seeking a Senior Systems Administrator to join our team. The Senior Systems Administrator will play a pivotal role in our IT operations, responsible for deploying, maintaining, enhancing, and supporting our IT infrastructure. This role requires...Contract workFlexible hours$65k - $80k
...secure, and seamless technology infrastructure to keep our team connected and our patient data secure. Responsibilities Cloud & Systems Administration (M365 & Azure): Manage, configure, and optimize our Microsoft 365 tenant (Exchange Online, SharePoint, Teams, OneDrive);...Work at officeRemote work$120k - $165k
...the mission is bigger than any one person, forge the future with Voyager. Voyager Technologies is seeking a skilled cleared -Systems Administrator to manage and maintain our enterprise IT infrastructure. You will be responsible for ensuring the stability, security, and...Long term contractPermanent employmentContract workFlexible hours$96k - $128k
Overview We are seeking a VDI/Images Systems Administrator to monitor, maintain, operate, and troubleshoot daily remote access technologies. The primary duty involves managing all administration tools in the Citrix environment. We offer a competitive benefits package that...Full timeContract workTemporary workLocal areaRemote workShift work- ...Visa: US Citizen / Green Card CLEARANCE REQUIRED: Current and Active Top Secret Clearance This position is a member of a System Administrator team that performs Tier 1 (Help Desk), Tier 2 (escalation) and Tier 3 (subject matter expert) support for a large 24x7 production...Full time
$85.5k - $150.77k
A leading technology innovation company seeks an IT professional for its Space division in Littleton, Colorado. The role involves managing Linux and Windows servers, ensuring cyber compliance, and providing support for critical programs. Candidates must possess a Security+...Full time$85.5k - $150.77k
...This IT professional will ensure that the Lockheed Martin IT systems are managed, controlled, and compliant with the Corporate Information... ...restore capabilities). Responsibilities Workstation administration on heterogeneous networks including Windows Server based...Full timeTemporary workRelocationFlexible hoursShift work- ...become available. Subscribe to our RSS feeds to receive instant updates as new positions become available. Position Title: System Administrator III Reports To: Director - Technology Services Direct Reports: No Functional Unit: IT FLSA Status: Exempt Position Type...Full timeWork at office
- Riverstone Enterprise Solutions is seeking a motivated, customer-oriented Systems Administrator Level 2 to join our team in Aurora, CO . This is a Hybrid position. Primary Responsibilities Provide support for implementation, troubleshooting, and maintenance of IT systems...
- Responsibilities Administer and maintain Active Directory forests, domains, trust relationships, replication services, and enterprise directory components Manage and troubleshoot identity services, including DNS integrated AD functions, authentication, Kerberos/NTLM, group...
$110.5k - $149.5k
General Dynamics Information Technology (GDIT) is seeking a Linux/Microsoft Systems Administrator to join our team in support of a Federal Intelligence Agency contract. In addition to receiving a competitive salary and generous health and personal benefits, the Systems...Contract workTemporary workImmediate startRemote workWorldwide- Leidos is seeking an IT Engineer with Microsoft Enterprise Systems Administrator experience to join our team in support of a Federal Intelligence Agency contract located in Alice Springs, AUS. Responsibilities Provide Tier 2 support maintaining multiple large enterprise...Contract workTemporary workRemote work
- Riverstone Enterprise Solutions is looking for a motivated Systems Administrator Level 2 in Aurora, CO, for a hybrid position. Responsibilities include troubleshooting IT systems and providing Tier 1 and Tier 2 support. Candidates must have ten years of relevant Systems...
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