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
$105.4k - $124k
...located in the United States and certain U.S. territories. The E-Verify program is an Internet-based employment eligibility verification system operated by the U.S. Citizenship and Immigration Services. Learn more about the E-Verify program.The salary range reflects figures...SuggestedFull timeLocal area3 days per week$82.7k - $173.9k
Job Title: Cloud and Infrastructure Systems Administrator - Linux adminJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of Travel Required: NoneType of Travel: NoneAnticipated...SuggestedContract workWork experience placementLocal areaRemote workFlexible hours$68.9k - $131.1k
...programs with unclassified, classified, and proprietary information system capabilities and create end-to-end solutions to solve complex... ...program in a classified environment as a Linux System Administrator in Aurora, CO or Richardson, TXResponsibilities include the monitoring...SuggestedTemporary workWork experience placementWork at officeRemote workFlexible hours$91.8k - $137.6k
...employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for... ...making history.Northrop Grumman Space Systems is seeking a Systems Administrator to join our team at our facility in Aurora, Colorado.Job...SuggestedFull timeRelocation packageShift workWeekend work$95.9k - $178.1k
...This IT professional will ensure that the Lockheed Martin IT systems are managed, controlled, and compliant with the Corporate Information... ...position, the chosen candidate will utilize their system administration and architecture skills as primary IT support for several...SuggestedFull timeTemporary workWork experience placementCasual workFlexible hoursShift work$61.9k - $141k
System AdministratorThe Opportunity:Are you looking for an opportunity to combine your technical skills with big-picture thinking to... ...solutions.Booz Allen is seeking a skilled Windows systems administrator with experience supporting enterprise desktop and server environments...Full timeContract workPart timeWork at officeLocal areaRemote work$105.1k - $231.1k
Job Title: Infrastructure/Systems AdministratorJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to... ...Opportunity:Join our dynamic team as an Infrastructure/Systems Administrator and play a crucial role in maintaining and enhancing our IT...Contract workWork experience placementFlexible hours$129.3k - $193.9k
...employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for... ...making history.Northrop Grumman Space Systems is seeking a Systems Administrator - Leel 2 or 3 to join our team based in Aurora, CO at the...Full timeRelocation packageShift work$97.01k - $164.91k
...Seeking a Linux Systems Administrator to support the development, testing, and operations of spacecraft and ground systems at BAE Systems, Space and Mission Systems. The position will serve as a technical resource to programs and engineering staff within integrated development...Full timeWork at officeLocal area$60k - $100k
...more details to guide development. Examine and evaluate current systems, and identify its requirements. Liaise with users to track... ...objectives. Education Bachelor’s: Accounting, Bachelor’s: Business Administration, Bachelor’s: Computer and Information Science Work Experience...Work experience placement$40 - $50 per hour
...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- ...System Administrator We are a fast-growing international IT company based in Greenwood Village, CO that specializes in analytics and AI solutions for financial services, manufacturing, telecommunications, government and oil and gas. We are currently looking for a highly...Remote workVisa sponsorship
- ...System AdministratorDCCA is a veteran-owned IT business specializing in providing innovative solutions to a variety of government... ...higher) - baseline (ex. Security+) and CE (ex. Linux+), Linux Administration (RHEL 7/8). Desired skills include DevSecOps team experience LAMP...
- ...Position Title: System Administrator III Reports To: Director – Technology Services Direct Reports: No Functional Unit: IT FLSA Status: Exempt Position Type: Full-Time The Company Onward Energy is an independent power platform that owns and operates over 7 GW of utility...Full timeWork at office
$80k - $85k
...including National Heath Service Corps, Colorado Health Service Corps and Public Student Loan Forgiveness. About the Role The Systems Administrator II (“Administrator”) is an integral member of Community Reach Center’s Information Technology (“Division”) Division. The...Temporary workWork at officeLocal areaMonday to FridayShift work$100k - $130k
...Responsibilities & Qualifications RESPONSIBILITIES The?Systems Administrator is expected to be able to accomplish the following: Monitors and manages system resources, including CPU usage, disk usage, and response times to maintain operating efficiency. Performs...Full timeContract workTemporary workLocal areaMonday to FridayWeekend workAfternoon shift$130k - $165k
...development and integration, to operations and maintenance of challenging mission critical systems, with offices in Richardson, TX & Aurora, CO. Position Level Junior System Administrator: Performs routine administration and troubleshooting with guidance, follows documented...Work experience placement$7.5k
...Job Brief Implementation support, IT systems maintenance and troubleshooting, optimizing system operations Job Description... ...to improve reliability and performance. The Level 3 System Administrator shall possess the following capabilities: Provide support...Work experience placementImmediate startFlexible hours- ...Systems Administrator Location: Onsite in either Denver, CO or Findlay, OH Contract Details: Ongoing contract - year to year Client Details: Oil & Gas client Shift: Standard IV Process: 1 video round 30 minutes with client Position Summary: The Systems...Ongoing contractContract workShift work
- ...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...Work at office
$71k - $88k
...You must be within commutable distance AND have a US Citizenship/Permanent Residency to be considered. GSI is looking for a Systems Administrator I/II to own the reliability, performance, and security of our on‑premises and cloud infrastructure. This is a hands‑on technical...Permanent employmentWork experience placementWork at officeLocal areaRemote workRelocationVisa sponsorshipNight shiftWeekend work- ...Opportunity Employer. Job Summary: We are seeking a skilled Systems Engineer to support and advance our IT infrastructure, with a... ...confidentiality requirements ~ Experience with VMware administration ~ Familiarity with GPFS/IBM ESS ~ Exposure to...Full timeContract workImmediate start
- ...security. Make an impact by using your expertise to protect our country from threats. Job Description VIRTUALIZATION SYSTEMS ADMINISTRATOR YOUR IMPACT Own your opportunity to support national defense. Your work will help keep critical operations secure...
- ...our country from threats. Job Description 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...Contract workTemporary workRemote work
$92k - $105k
...0 annually Employment Type: Full-Time, Exempt Join a Team Where Your Work Matters We are excited to reopen our search for a Systems Administrator II due to internal employee movement and changes in applicant circumstances. We remain committed to finding the right candidate...Full timeImmediate startRemote 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...
$80k - $95k
...security, performance, and continuous improvement of company’s IT systems, servers and endpoints, and environments. Salary Range: $80K... ...as needed for infrastructure, operations, and security administration. Operate within a service-focused, ticket-based environment...Full timeTemporary workPart timeWork at officeLocal area3 days per week- Legato, LLC in Aurora, Colorado seeks a System Administrator to support implementation, troubleshooting and maintenance of IT systems. You will provide Tier 1 help desk support, manage daily configuration and operation, assist users, and escalate issues to Tier 2 while...
$32 - $35 per hour
...Demonstrate knowledge and experience in information technology and administration. Maintain strict confidentiality and security ofthe... ...employees and contractors. Willingness to learnnew technologies, systems, and tools. Asset management - provide adequate laptops and...Hourly payFull timeTemporary workFor contractorsSecond jobWork at officeLocal areaRemote workWork from homeMonday to FridayWeekend work- 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...
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