Systems Administrator
$96k - $108kMondadori Digital S.p.A.
Systems AdministratorThe Denver Foundation is seeking a hands-on, technically capable Systems Administrator to join our IT team. This is a full-time, exempt position with a starting salary of $96,000–$108,000 per year, depending on experience.This is an ideal opportunity for a strong mid-level Systems Administrator who enjoys taking ownership of systems and infrastructure, solving problems independently, and working across a broad technology environment.This is not primarily a help desk role, and it is not intended to be a senior engineering, architecture, or management position. We are looking for someone who can independently manage day-to-day systems operations while identifying opportunities to improve reliability, security, efficiency, and the overall technology experience.What You'll DoSystems & Identity AdministrationAdminister and maintain Windows Server and Linux systems.Manage Active Directory / Entra ID, DNS, DHCP, Group Policy, and file services.Manage system patching, updates, configurations, and system health.Perform preventive maintenance and troubleshoot complex system issues.Maintain accurate system documentation and standard configurations.Endpoint & Device ManagementManage Windows endpoints using Intune and/or SCCM.Oversee device enrollment, imaging, application packaging, and updates.Maintain device compliance, security baselines, and standard configurations.Troubleshoot escalated endpoint issues and partner with the Service Desk when needed.Network & InfrastructureSupport network infrastructure, including firewalls, switches, wireless, and VPN.Monitor system and network performance and troubleshoot connectivity issues.Coordinate with vendors for infrastructure support and maintenance.Maintain network and infrastructure documentation.Cloud & Productivity PlatformsAdminister Microsoft 365, Google Workspace, and other SaaS platforms.Manage accounts, licenses, groups, permissions, and access controls.Support secure configuration and rollout of new tools and features.Troubleshoot email, collaboration, file storage, and other productivity-platform issues.Security, Backup & ReliabilitySupport endpoint protection, MFA, and foundational security controls.Manage backup operations and perform periodic restoration testing.Support disaster recovery and business continuity readiness.Participate in access reviews, audits, and security improvement initiatives.Projects & Continuous ImprovementMaintain system documentation, diagrams, inventories, and procedures.Independently plan and execute small- to medium-sized infrastructure projects.Identify opportunities to improve reliability, efficiency, security, and user experience.Partner with IT leadership and other teams on technology improvements.Support the secure configuration and responsible use of AI-enabled tools.What We're Looking ForThe ideal candidate will have approximately 3–7 years of experience in systems administration, infrastructure, or IT operations and be comfortable personally administering a variety of business-critical systems.Required Qualifications3–7 years of experience in systems administration, infrastructure, or IT operations.Hands-on experience administering Windows Server.Hands-on experience with Active Directory and/or Entra ID.Experience managing Windows endpoints using Intune and/or SCCM.Experience administering Microsoft 365 in a business environment.Working knowledge of networking infrastructure and concepts, including firewalls, switches, VPN, and Wi-Fi.Familiarity with virtualization technologies such as VMware or Hyper-V and backup systems.Strong troubleshooting, analytical, and problem-solving skills.Demonstrated ability to independently prioritize work and take ownership of operational outcomes.Strong organization, documentation, and follow-through.Ability to communicate technical concepts clearly to non-technical audiences.Strong customer-service orientation.Ability and willingness to learn new technologies independently.Authorized to work in the United States.Preferred QualificationsLinux server administration experience.PowerShell or other scripting/automation experience.Google Workspace administration experience.Backup, disaster recovery, or business continuity experience.Experience working in a small- to medium-sized organization.Nonprofit or mission-driven organization experience.Experience supporting security or compliance initiatives.Experience with data classification, security, governance, or compliance platforms.Experience supporting new technology implementations.Experience configuring or managing enterprise AI tools.AI experience is a plus, but it is not a substitute for strong core systems and infrastructure experience.The Ideal CandidateEnjoys owning and maintaining systems.Can move comfortably between servers, identity, endpoints, cloud platforms, networking, and troubleshooting.Takes initiative rather than waiting to be told what needs attention.Investigates problems thoroughly and follows them through to resolution.Thinks proactively about system reliability, security, and prevention.Documents their work and values consistent processes.Can prioritize competing operational needs.Knows when to solve an issue independently and when to involve IT leadership or a vendor.Communicates effectively with both technical and non-technical colleagues.Is curious and comfortable learning technologies they haven't worked with before.Values reliability and service as much as technical sophistication.Work EnvironmentThis position is primarily based in an office environment and generally operates during regular business hours. Occasional work outside of regular hours may be required for maintenance, upgrades, or issue resolution.The position may occasionally require carrying objects up to 50 pounds, working in cramped spaces or on ladders, and performing early morning or evening work.Why Join The Denver Foundation?This is an opportunity to have broad ownership across an organization's technology environment while working with a collaborative IT leadership team. Your work will have direct visibility and impact, with opportunities to expand your technical breadth, lead infrastructure improvements, and support technology that advances a meaningful community-focused mission.The Denver Foundation is an Equal Opportunity Employer. We value diverse strengths, perspectives, backgrounds, and experiences, and encourage candidates from traditionally marginalized communities to apply.BenefitsWhat We OfferPaid time offRetirement plan contributionsTuition assistanceMedical insuranceLife insuranceDisability insuranceHow to ApplyThe application link.
$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$177k - $265.6k
...employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for... ...Northrop Grumman Space Systems (NGSP) is seeking a Staff 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$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$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- ...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
$60k - $90k
...Position Summary The Senior Systems Administrator acts as the second tier of support for Meriplex’s Technical Assistance Center (TAC) and reports to a TAC Manager. In addition to working within the TAC’s ticketing system to resolve Level 2 end user issues, this role acts...- ...United States Digital Space LLC is seeking a Senior Marketing Operations & Technology Manager to architect and scale the systems powering our marketing engine. This role sits at the intersection of Marketing, Revenue Operations, Systems Engineering, and Analytics, owning...
- ...System Administrator II (Linux)DCCA is a veteran-owned IT business specializing in providing innovative solutions to a variety of government agencies and commercial enterprises since 1982. DCCA is proud to offer career growth opportunities and a competitive compensation...Flexible hours
$100k - $150k
...seeking an experienced and motivated Senior IT Infrastructure Administrator to support and maintain our hybrid enterprise environment, including... ...and collaborative culture! Talent Development: At 3D Systems, we invest in talent programs to support employees with opportunities...Local areaWorldwideFlexible hours$90k - $110k
...Systems AdministratorSystems Administrator Aurora, CO Active TS/SCI w/ Poly Compensation Range: $90,000 – $110,000Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing...Full time- ...System Administrator DCCA is a veteran-owned IT business specializing in providing innovative solutions to a variety of government agencies and commercial enterprises since 1982. DCCA is proud to offer career growth opportunities and a competitive compensation and...
$59.3k - $79.93k
...Carries out moderately complex information systems and/or information technology tasks within more than one discipline, such as application support, database administration, software quality assurance/quality control, software engineering, network telecommunications, and...Contract workWork at office$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$61.9k - $141k
...System AdministratorAre you looking for an opportunity to combine your technical skills with big-picture thinking to make an impact... ...engineering solutions. Booz Allen is seeking a skilled Windows systems administrator with experience supporting enterprise desktop and server...Full timeContract workPart timeLocal area- ...Systems AdministratorLocation: Onsite in either Denver, CO or Findlay, OHContract Details: Ongoing contract - year to yearClient Details... ...round 30 minutes with clientPosition Summary: The Systems Administrator will work with a wide variety of network and operations related...Ongoing contract
- ...Service, Desktop Computers, Incident Response, Software Updates, Systems Troubleshooting Certifications: None Experience:... ...Description: Transform technology into opportunity as a Systems Administrator Fellow with GDIT. A career in enterprise IT means connecting...For contractorsImmediate startRemote workWorldwide
$125k - $155k
...Responsibilities & Qualifications RESPONSIBILITIES The?Senior 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....Full timeContract workTemporary workLocal areaMonday to FridayWeekend workAfternoon shift$33 - $44 per hour
...development and production, as well as the generation of our own products. Our unique set of capabilities lend themselves to highly complex systems and products, and we offer customers a range of services including product and systems design, automation, fabrication, assembly,...Hourly payContract workWork at officeAfternoon shift- ...Legato, LLC is seeking a System Administrator in Aurora, CO. The role involves support for implementing, troubleshooting and maintaining IT systems, with Tier 1 and Tier 2 problem resolution, and guidance to management on escalated issues. A TS/SCI with Polygraph clearance...
$175k - $200k
...Bachelor’s degree in a technical discipline from an accredited college or university is required. Five (05) years of additional Systems Administration experience on projects with similar processes may be substituted for a bachelor’s degree. Provides support for...Contract workTemporary workImmediate start$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- ...Constellation Technologies, Inc. seeks a Systems Administrator with active TS/SCI clearance for IT systems support across client/server/storage networks. Applicants must be US citizens with active clearance and have two years of directly related experience in the last...
- ...Systems AdministratorClient: FBI Location: Denver, Colorado This is a mid-level position. The SA shall have relevant work experience in Systems/Equipment installation, administration, configuration, implementation, maintenance, and validation of installation of components...Work experience placementRemote work
$58.19k - $65.46k
...exists to support academic advising technology that the Advising Systems team manages, and/or is a liaison, for the undergraduate... ...Systems team. Additionally, this position will provide other administrative support for the Advising Systems program.Duties and Responsibilities...Full timeWork at officeMonday to FridayAfternoon shift$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- ...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...
- ...General Dynamics Information Technology is seeking a Systems Administrator Technician in Colorado Aurora. The role involves maintaining hardware, voice, video, network, and server equipment to support IT services. The technician will handle installation, maintenance, and...
$80k
...that supports federal agencies in the areas of IT Modernization, Data Enablement, and Hyperautomation. We are looking for a Systems Administrator to join our team! We are hiring for the following shifts: Front end nights: 6 pm to 6:30 am local time. Sunday, Monday, Tuesday...Contract workWork experience placementLocal areaShift workNight shift
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Systems Administrator. Be the first to apply!
- microsoft systems administrator Denver, CO
- remote systems administrator Denver, CO
- application system administrator Denver, CO
- IT administrator Denver, CO
- systems administrator Denver, CO
- computer systems administrator Denver, CO
- enterprise administrator Denver, CO
- system admin Denver, CO
- office 365 and sharepoint system administrator Denver, CO
- server administrator Denver, CO

