Systems Administrator
$105k - $130kERT, Inc.
Systems Administrator Job ID: 2026-9798 Contract Type: Full Time W/Benefits Ret Match Primary Location: US-CO-Denver Secondary Location: US-CO-Colorado Springs Security Clearance: TS/SCI Overview/ Job Responsibilities Position is contingent upon contract award and funding. Entarian is seeking an experienced Systems Administrator who will be skilled in designing and managing IT systems and have a robust background in managing a complex IT environment. The Systems Administrator works closely with systems engineers, software developers, architects, and government stakeholders to engineer secure, resilient solutions that support mission objectives while balancing security, performance, and operational requirements. The ideal candidate will have demonstrated experience working in large-scale technical environments involving space systems, ground infrastructure, mission operations, communications networks, or enterprise IT capabilities. Oversee the installation, configuration, and maintenance of servers, operating systems, and applications ensuring system reliability, performance, and security across the IT infrastructure Close coordination with cybersecurity analysts, network engineers, NOC controllers, and Mission Partners while conduction operations, administration, and maintenance of the IT systems Implements and manages backup and disaster recovery solutions to safeguard data integrity and ensure operational continuity of the system to include regular testing of the backup procedures and disaster recovery plans Ensure security patches and updates to systems and applications are completed in required time-frames and in coordination with the cybersecurity team Manages and monitors all installed systems and infrastructure for adherence to DOD guidelines and industry best practices while looking for areas of system resource optimization Work with Configuration Management team to provide detailed documentation of system configurations, procedures, and updates Salary range: $105,000.00 - $130,000.00 Minimum Qualifications Active Top Secret clearance with SCI eligibility Bachelor's degree in Information Technology, Computer Science, Engineering, or related technical discipline. (Equivalent experience may be considered.) Minimum five (5) years of Systems Administration experience installing, configuring, and troubleshooting Windows and/or Linux environments. (Active Directory/Exchange/ADCS/PKI) Knowledge of virtualization and containerization basics (e.g., basic understanding of VMware or VirtualBox) Knowledge of storage architecture (NAS/SANS) Security hardening of Information Systems (Linux/Windows/Endpoints) Experience with scripting languages (Python, Bash, Ansible, Powershell, etc.) Basic networking knowledge (OSI layers, TCP/IP, DNS, etc.) Good technical communication skills Proficiency with Microsoft Office Suite, including Word, Power-Point, Excel, Project, and Outlook. Ability to travel approximately 25% to support customer locations, mission partner engagements, and operational activities. About Us Formed through the strategic union of Sev1Tech and ERT, Entarian is a premier provider of mission-critical engineering and technology solutions. Founded on a legacy of excellence dating back to 1993, Entarian is a product of an evolved and fully diversified engineering and federal technology leader. From deep space to defense and civilian missions, Entarian delivers secure, mission-aligned digital solutions that drive national resilience and operational effectiveness. We don't just support modernization; we define it. Entarian is an Equal Opportunity and Affimative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status. #J-18808-Ljbffr ERT, Inc.
- ...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. You will oversee system health...Suggested
$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...SuggestedFull timeFor contractorsWork at officeLocal areaRemote workVisa sponsorshipWork visa- ...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...SuggestedWork at office
$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 supporting...SuggestedFull timeTemporary workPart timeWork at officeLocal areaRemote work2 days per week3 days per week$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...SuggestedFull timeContract workTemporary workMonday to FridayWeekend workAfternoon shift$85k - $95k
...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...Full timeWork at officeRemote work$99.3k - $208.6k
...Job Title: Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: None Employee Type: Regular Percentage of Travel Required: None Type of Travel: Local Anticipated Posting End: 10/31/2026 The Opportunity CACi...Full timeContract workWork experience placementLocal areaImmediate startRemote work$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- ...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...Full timeWork at office
$74k - $87k
...UDR, Inc. is now hiring a Systems Administrator to join our team. General Summary of Duties The Systems Administrator plays a critical role in monitoring, supporting, and maintaining various applications and systems across both cloud and on‑premises environments. This...Temporary workImmediate startFlexible hours$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$54.4k - $87.52k
...The Systems Administrator, Junior supports day‑to‑day operation of enterprise systems through basic server administration tasks and user support, while also helping design and deliver training that drives effective adoption of systems and processes. These positions combine...Contract workWork at office- ...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
- ...thinkers fueled by curiosity, team players energized by collaboration, and creators inspired by imagination. Job Summary The Systems Administrator (SA) is responsible for providing advanced support for desktop, server, and network infrastructure. The SA is also...Temporary workLocal area
- ...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
- ...Are you ready to be the technical backbone of a mission that matters? Leidos is seeking a highly motivated Senior Systems Administrator/Help Desk Engineer to support a cutting‑edge Agile software development program, Chinook, for an Intelligence Community customer. In...Contract workShift workDay shiftAfternoon shift
$80.75k - $109.25k
...strengthen the partnerships that move our work forward. Join a team where your expertise fuels the systems that keep communities running! Position Summary The IT Systems Administrator manages and supports the organization’s IT infrastructure across on-premises and cloud...Full timeFor contractorsWork at officeLocal areaImmediate startRemote workWork visa$155k - $175k
...agility of a small company with the impact of a big mission. Riverstone is seeking a motivated, career, and customer‑oriented Systems Administrator Level 2 to join our team in Aurora, CO. This position is onsite. Primary Responsibilities: Provide support for...Hourly payContract workWork experience placement$61.9k - $141k
System Administrator Are you looking for an opportunity to combine your technical skills with big‑picture thinking to make an impact at Booz Allen? You understand secure enterprise environments and how to support the systems that enable mission success. Your ability to...Full timePart timeLocal area$146k - $164k
Overview We are seeking a Systems Administrator to join our Task Order proposal on the Defense Intelligence Agency’s Solutions for the Information Technology Enterprise III (SITE III). The Systems Administrator maintains smooth operation of multi-user computer systems,...Contract workLocal areaMonday to FridayWeekend workAfternoon shift$75k - $85k
About the Role We are seeking a mid-level Systems Administrator to join our IT team. This hybrid technical role focuses on core systems administration combined with advanced help‑desk support (approximately 40% systems administration / 60% advanced helpdesk). The successful...Temporary workCasual workRemote workFlexible hoursWeekend workAfternoon shift$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- ...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
$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- York Space Systems was founded to radically improve spacecraft affordability and reliability, transforming, and enabling next-generation... ...team across the board. York Space Systems is seeking a System Administrator whose responsibilities include ensuring compliance with...Permanent employmentFor contractorsLocal areaWorldwide
- ...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
$60k - $90k
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 as the escalation...- ...professional seeking growth within a thriving team, this could be your perfect fit. The Role Our client is seeking a proactive DevOps Systems Administrator to streamline development and operations processes. In this role, you will manage and optimize system infrastructures,...For contractorsFlexible hours
$66k - $106k
Role Overview Peraton is seeking a Systems Administrator to join our team supporting the Department of State’s Consular Affairs Enterprise Infrastructure Operations (CAEIO) program. The SA provides IT Operations and Maintenance (O&M) support for the hardware, software,...WorldwideShift work$100k - $115k
.... Lead technical planning, testing, and execution of complex system upgrades, including operating systems, infrastructure platforms... ...Provide senior‑level technical support and guidance to system administrators, serving as an escalation point for complex patching, upgrade,...
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