System Administrator Jobs
$69.72 - $79.33 per hourNavstar
Job Title System Administrator Overview EverWatch is a government solutions company providing advanced defense, intelligence, and deployed support to our country's most critical missions. We are a full-service government solutions company. Harnessing the most advanced technology and solutions, we strengthen defenses and control environments to preserve continuity and ensure mission success. EverWatch employees are focused on tackling the most difficult challenges of the US Government. We offer the best salaries and benefits packages in our industry - to identify and retain the top talent in support of our critical mission objectives. Commitment to Non-Discrimination: All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, local, or international law. Responsibilities Your combination of people skills and system administrator expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting mission-critical enterprise IT systems? We're looking for a system administrator with experience supporting enterprise UNIX and Windows environments in a Tier 1 and Tier 2 capacity to help us maintain and enhance secure infrastructure environments supporting federal mission operations. As a system administrator on our project, you'll support the implementation, troubleshooting, and maintenance of IT systems; manage day-to-day system operations; monitor infrastructure health; and apply patches and updates to maintain system security and performance. You'll provide your customers insight into their network through monitoring and performance management. Your system administrator expertise will be vital as you identify problem areas and opportunities for improvement in a mission-critical network. You'll help your team better understand the network by turning metrics into information and explaining their meaning. This is an opportunity to broaden your skillset into areas like cloud-based infrastructure support and containerized environments. As a system administrator, you'll identify new opportunities to modernize the network so your clients achieve their goals. Work with us and resolve daily challenges as we improve enterprise system reliability and operational readiness for mission partners. Join us. The world can't wait. Qualifications You Have: 10+ years of experience providing implementation, troubleshooting, and maintenance support for enterprise IT systems 10+ years of experience supporting Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis, and resolution in client/server environments Experience administering and maintaining UNIX and Windows operating systems in enterprise environments Experience managing day-to-day IT system operations, monitoring, and problem resolution for client, server, storage, and network devices Knowledge of system performance optimization and capacity planning principles Ability to analyze, troubleshoot, and resolve complex IT system issues in a timely manner Ability to communicate technical status and issue resolution updates to management and internal stakeholders TS/SCI with a polygraph Bachelor's degree in Computer Science, Engineering, or Cyber Security and 10+ years of experience in systems administration or HS Diploma or GED and 15+ years of experience in systems administration Nice If You Have: Experience supporting dispatch systems and hardware lifecycle management Knowledge of network components and enterprise infrastructure environments Ability to support cross-functional collaboration with engineering, operations, and support teams Possession of strong analytical and troubleshooting skills Clearance: Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information ; TS/SCI clearance with a polygraph is required . Compensation at EverWatch is determined by various factors, including but not limited to location, the individual's particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. The projected compensation range for this position is $69.72 to $79.33 per hour. The estimate displayed represents the typical compensation range for this position and is just one component of EverWatch's total compensation package for employees. Job Locations US-CO-Aurora Skills IAVA, AWS, Jira, Linux, Windows Navstar
$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...SuggestedFull timeContract workPart timeWork at officeLocal areaRemote work$68.9k - $131.1k
Job ID: 01862177Posted: Posted 30+ Days AgoStart Date: 2026-07-29Location: US-CO-AURORA... ...classified, and proprietary information system capabilities and create end-to-end... ...classified environment as a Linux System Administrator in Aurora, CO or Richardson, TXResponsibilities...SuggestedTemporary workWork experience placementWork at officeRemote workFlexible hours$7.5k
...Job Brief Implementation support, IT systems maintenance and troubleshooting, optimizing system operations Job Description RealmOne was built... ...reliability and performance. The Level 3 System Administrator shall possess the following capabilities: Provide...SuggestedWork experience placementImmediate startFlexible hours- ...customers. Rampant is an Equal Opportunity Employer. Job Summary: We are seeking a skilled Systems Engineer to support and advance our IT... ...confidentiality requirements ~ Experience with VMware administration ~ Familiarity with GPFS/IBM ESS ~...SuggestedFull timeContract workImmediate start
$80k - $130k
...andothersoftwareapplications. Identifies, analyzes, and resolves system incidents with both short-... ...: CompTIA Security+ Windows Administrator Cert/Training Milestone Certified... ...to employment consideration. Additional Job Information WORK ENVIRONMENT AND PHYSICAL...SuggestedFull timeContract workTemporary workWork at officeLocal areaMonday to FridayWeekend workDay shiftAfternoon shift$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$10k
...troubleshooting and maintenance of Information Technology (IT) systems. Manages IT system infrastructure and any processes related... ...hardware Possess a working knowledge and understanding of system administration interdependencies as part of the Service Oriented...Full timeContract workTemporary workSummer workImmediate start$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- Join to apply for the Systems Administrator 3 role at RealmOne Job Brief Implementation support, IT systems maintenance and troubleshooting, optimizing system operations All qualified applicants will receive consideration for employment without regard to race, color, religion...Full time
- ...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
$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... ...process provides an equal employment opportunity to all job seekers, including individuals with disabilities. If you...Full timeContract workTemporary workMonday to FridayWeekend workAfternoon shift- System Administrator LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY... ..., we'd love to have you on board! *** Please note that our job openings are dynamic and can open or close quickly (much...Temporary workFor contractorsImmediate startFlexible hours
- ...an impact by using your expertise to protect 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...Contract workTemporary workRemote work
$100k - $130k
...& Qualifications RESPONSIBILITIES The Systems Administratoris expected to be able to accomplish... ...efficiency. Performs systems security administration functions, including creating user... ...the essential functions of the job. Reasonable accommodation may be made to...Full timeContract workTemporary workLocal areaMonday to FridayWeekend workAfternoon shift- Unpaid Fellowship Through The Department Of War (DoW) SkillBridge ProgramTransform technology into opportunity as a Systems Administrator Fellow with GDIT. A career in enterprise IT means connecting and enhancing the systems that matter most. At GDIT you'll be at the forefront...Immediate startWorldwide
$90k - $110k
Job TitleSystems Administrator Aurora, CO Active TS/SCI w/ PolyCompensation Range: $90,000 - $110,000Company Overview: Cornerstone Defense is the Employer... ...in a VMware virtual environmentPerform Operating System, and hardware troubleshooting in bare-metal and virtual environmentsWork...Full time- ...Linux Systems Administrator Location: Aurora, CO. Required Clearance: Top Secret/SCI with CI Poly U.S. Citizenship Mandatory: Due to our US... ...Citizen and will be subject to a background investigation. Job Description: ITEC has an immediate need for Linux Systems Administrator...Contract workFor contractorsImmediate start
- ...an active TS/SCI w/ CI Poly clearance Job Description: A Linux Engineer is... ...implementing, and maintaining Linux-based systems and infrastructure, ensuring optimal performance... ...including network engineers and system administrators, to ensure seamless integration and...
$104k - $111k
Overview We are seeking a Systems Administrator to join our Task Order proposal on the Defense Intelligence Agency’s Solutions for the Information... ...encounters while performing the essential functions of the job. Location: Aurora, CO with occasional travel to Colorado Springs...Contract workTemporary workMonday to FridayWeekend workAfternoon shift$149k - $184k
...Missile Warning, Missile Defense, Battlespace Awareness, and Technical Intelligence. We are seeking a skilled Linux System Administrator to support the installation, configuration, security, and ongoing operation of Linux- and Windows-based systems in a secure,...Temporary workFor contractorsWork experience placementImmediate startRemote workFlexible hours$125k - $145k
...Senior Linux Systems Administrator Senior Linux Systems Administrator Aurora, CO Active TS/SCI with Poly Compensation Range: $125,000 – $145... ...that cares, don't look any further than Cornerstone Defense. Job Responsibilities: Supporting a program in a classified...- ...Unix / Linux System Administrator with DevOps LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position... ...scalability of our infrastructure. *** Please note that our job openings are dynamic and can open or close quickly (much faster...Temporary workFor contractorsImmediate startFlexible hours
- ...Linux / Unix Systems Administrator LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full... ...reliable and secure IT infrastructure. *** Please note that our job openings are dynamic and can open or close quickly (much...Temporary workFor contractorsImmediate startFlexible hours
- Job Title US Citizenship is required. An active TS/SCI is required. An active CI Polygraph... ..., and securing Information Technology systems and directly supporting customer mission... ...problems with efficiency Deployment and administration of systems in Amazon WebServices (AWS)...
$136k - $166k
...Senior Level Systems AdministratorThis is an exciting role:BI&A is seeking a Senior Systems Administrator to be responsible for managing technical support operations and leads a team providing 24/7 assistance to computer system and network users. Oversees help desk services...Contract workRemote workWorldwideFlexible hours- ...System AdministratorYork Space Systems was founded to radically improve spacecraft affordability and reliability, transforming, and... ...team across the board.York Space Systems is seeking a System Administrator whose responsibilities include ensuring compliance with government...Full timeWork at officeLocal areaWorldwide
- ...Job Description Job Description Managed Services Provider seeks a Highly Skilled/Proficient IT Systems Administrator to join our customer support team! Are you ready to take your IT career to the next level? Join our dynamic team as a System Administrator and become...Work at officeFlexible hours
- ...Job Description Job Requirements: ·3-5+ years experience as a Linux system administrator · Strong communication and documentation skills · Scripting experience (python/bash/perl) · Strong troubleshooting skills · Comfortable with command line...Full time
$68.9k - $131.1k
Job ID: 01863783Posted: Posted 30+ Days AgoStart Date: 2026-08-01Location: US-CO-AURORA-S75 ~ 16800 E Centretech Pkwy ~ BLDG S75Country... ...safer, more secure world.We have an exciting opportunity for a Systems Engineer II - Modeling, Simulation & Analysis supporting one of...Temporary workWork experience placementWork at officeRemote workRelocationFlexible hours$140k - $145k
DescriptionDESCRIPTION: SAIC is seeking a SIGINT Systems Engineer to work on complex projects crucial to national security objectives. He/she will provide Systems Engineering and Technical Advisory (SETA) services to assist the government in implementing and executing systems...Remote work
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to System Administrator Jobs. Be the first to apply!
- computer systems administrator Aurora, CO
- IT infrastructure administrator Aurora, CO
- systems administrator Aurora, CO
- IT administrator Aurora, CO
- enterprise administrator Aurora, CO
- system admin Aurora, CO
- server administrator Aurora, CO
- application system administrator Aurora, CO
- fresher system administrator
- hpc system administrator



