Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

System Administrator Jobs

$90k - $180k

ClearanceJobs

System Administrator

Active Top Secret (TS/SCI) clearance with polygraph required. Rampart Technologies Corporation has an opportunity for a System Administrator to support and lead a variety of administrative functions for a Multi-INT mission. You will work directly with developers and testers to provision, configure, and maintain desktop, virtual and physical lab environments to test and operate their capabilities. In addition to providing Tier 1-4 support to users, it is the responsibility of you and your team to maintain a high level of infrastructure availability to include, configuring networks and devices alongside developers, and identifying new hardware and software needed to propel their solutions to the next level. You will be administering virtual machines, procuring, and setting up servers, and configuring devices to work in several modes within a lab. You will maintain drawings and specifications and provide responsive customer service to developers and Government leaders.

Job Location: Aurora, Colorado Responsibilities:

  • Provide support for implementation, troubleshooting and maintenance of Information Technology (IT) systems.
  • Manage IT system infrastructure and any processes related to these systems.
  • Provide support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices, etc.
  • Provide Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problems.
  • Provide support for the escalation and communication of status to agency management and internal customers.
  • Provide support for the dispatch system and hardware problems and remains involved in the resolution process.
  • Configure and manage UNIX and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity and configures network components along with implementing operating systems enhancements to improve reliability and performance.
  • Establish functional and technical specifications, solve hardware/software interface problems, define input/output parameters, and ensure integration of the entire system or subsystem.

Technical Requirements:

  • Security+ certification or better required.
  • Active NSAnet account or ability to get an NSAnet account.
  • 10 years of experience as a systems administrator supporting projects of similar scope.
  • Lab management experience, including tracking of inventory, work with developers to configure devices and compute equipment, and designing, sustaining and maintain all technology within.
  • Advanced troubleshooting skills and involvement with user support/tier 1-4.
  • Significant experience with Linux (CentOS/RHEL) and scripting/automating.
  • Experience with virtualization (VMWare/OpenStack) and hardware (servers/switches/SANs).
  • Experience working with customer security requirements and tools to support development efforts.
  • Bachelor's degree in a technical discipline from an accredited college or university is preferred, however an additional 5 years of experience may be substituted for a degree.

Desired Skills:

  • Experience with networking and/or authentication/IPA.
  • Experience with Ansible and docker/containerization/orchestration.
  • Experience with automation frameworks (Ansible, Chef, Puppet, etc.).
  • Experience with cloud infrastructures such as Amazon Web Services, Microsoft Azure, etc.
  • Experience administering Windows based systems.
  • Proficiency with Enterprise level administration of common services such as DNS, sendmail, and LDAP.
  • Familiar with version control systems such as git, IBM Rational Team Concert, etc.
  • General Network Administration.
  • Knowledge of Storage Area Network (SAN) concepts.
  • Knowledge of Network Attached Storage (NAS).

What We Can Offer You:

Are you ready to make a difference? At Rampart, we create, modernize, and deploy cutting edge software that changes the world. Our work supports the Department of Defense and focuses on Cybersecurity & Computer Network Operations, data science and analytics, and user experience design. We create software engineering, design, and analysis services that are unparalleled within the national Intelligence Community (IC). As a result, our expertise is sought out by industry leaders and our tools are used throughout the IC community. Our team of interdisciplinary engineers develops everything from high-level software UX/UI to low-level reverse engineering and everything in between. The tools we create are unlike anything else. If you'd like to join a group of individuals who support mission critical tasking in a cleared environment, Rampart is the place for you. Our collaborative work environment fosters creativity and innovation, which allows us to be a front-runner in our field.

Work/Life Balance: At Rampart, we recognize the importance of a healthy work-life balance. Our organization is committed to supporting our employee's overall well-being and productivity both at work and outside of work.

Mentorship & Career Growth: We support new team members and are committed to your continued growth. At Rampart, we have a broad mix of knowledge and experience levels on our team. Our team celebrates sharing knowledge and mentorship. Our senior engineers provide one-on-one mentoring for our more junior engineers and those from non-traditional engineering backgrounds. In addition to mentoring, we try to help our employees continually develop their skills to become more well-rounded employees. We work to assign projects and tasks that enable you to expand your skill set and take on more complex roles in the future.

Benefits: We support your well-being. We offer a comprehensive list of benefits including: medical, dental, vision, and life insurance; short-term disability, long-term disability, 401(k) retirement plan, flexible and health spending accounts, Employee Assistance Program (EAP), education assistance, parental leave, vacation, sick leave, and holidays.

In compliance with Colorado's Equal Pay for Equal Work Act, the salary range for this role is $90,000 to $180,000; however, Rampart Technologies Corporation considers several factors when extending an offer, including but not limited to, the role and associated responsibilities, a candidate's work experience, education/training, and key skills.

U.S. Citizenship required (green card holders and permanent residents not eligible). Applicants selected will be required to obtain/maintain a government security clearance. Rampart Technologies Corporation is an equal opportunity employer.

Vacancy posted 3 days ago
Similar jobs that could be interesting for youBased on the System Administrator Jobs in Aurora, CO vacancy
  • $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... 
    Suggested
    Full time
    Contract work
    Part time
    Work at office
    Local area
    Remote work

    Booz Allen Hamilton

    Aurora, CO
    2 days ago
  • $68.9k - $131.1k

    Job ID: 01862177Posted: Posted 10 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... 
    Suggested
    Temporary work
    Work experience placement
    Work at office
    Remote work
    Flexible hours

    Raytheon

    Aurora, CO
    4 days ago
  • $129.3k - $193.9k

     ...opportunities to work on revolutionary systems that impact people's lives around the world...  ...Space Systems is seeking a Systems Administrator - Leel 2 or 3 to join our team based in...  ...Aurora, CO at the Buckley Space Force Base.Job responsibilities will include, but not be... 
    Suggested
    Full time
    Relocation package
    Shift work

    Northrop Grumman

    Aurora, CO
    3 days ago
  • $91.8k - $137.6k

     ...incredible opportunities to work on revolutionary systems that impact people's lives around the world...  ...Northrop Grumman Space Systems is seeking a Systems Administrator to join our team at our facility in Aurora, Colorado.Job responsibilities will include, but not be... 
    Suggested
    Full time
    Relocation package
    Shift work
    Weekend work

    Northrop Grumman

    Aurora, CO
    3 days ago
  • $90k - $110k

     ...Systems Administrator Systems Administrator Aurora, CO Active TS/SCI w/ Poly Compensation Range: $90,000 – $110,000 Company Overview: Cornerstone...  ...cares, don't look any further than Cornerstone Defense. Job Responsibilities: Monitor and maintain computer... 
    Suggested
    Full time

    Cornerstone Defense

    Aurora, CO
    3 days ago
  •  ...Reflexive Concepts is seeking a skilled System Administrator III to join our team! Responsibilities Provide support for implementation, troubleshooting and maintenance of IT systems Provide Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification... 

    Reflexive Concepts

    Aurora, CO
    3 days ago
  •  ...Job Title BDR Solutions, LLC (BDR) supports the U.S. Federal Government in successfully achieving their mission and goals. Our service...  ..., C#, Javascript Experience with Sitecore Content Management System (CMS) and web development best practices for secure DoD... 
    Remote work

    BDR Solutions LLC

    Aurora, CO
    17 hours ago
  •  ...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

    ClearanceJobs

    Aurora, CO
    3 days ago
  • $100k - $130k

     ...Job Description Job Description 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... 
    Full time
    Contract work
    Temporary work
    Local area
    Monday to Friday
    Weekend work
    Afternoon shift

    TekSynap

    Aurora, CO
    a month ago
  •  ...Make 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... 
    Contract work
    Temporary work
    Remote work

    General Dynamics Information Technology

    Aurora, CO
    more than 2 months ago
  • $91.8k - $137.6k

     ...incredible opportunities to work on revolutionary systems that impact people's lives around the world...  ...Grumman Space Systems is seeking a Systems Administrator to join our team at our facility in Aurora, Colorado. Job responsibilities will include, but not be limited... 
    Full time
    Relocation package
    Shift work
    Weekend work

    Northrop Grumman

    Aurora, CO
    4 days ago
  • $86.8k - $165.2k

    Job ID: 01864036Posted: Posted TodayStart Date: 2026-08-03Location: US-CO-AURORA-S75 ~ 16800 E Centretech Pkwy ~ BLDG S75Country...  ...help shape the future of aerospace and defense.Our Principal System Administrators, based in Aurora, CO infrastructure Workplace Services,... 
    Temporary work
    Work experience placement
    Work at office
    Remote work
    Relocation package
    Flexible hours

    Raytheon

    Aurora, CO
    3 days ago
  •  ...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   ~... 
    Full time
    Contract work
    Immediate start

    Rampant Technologies

    Aurora, CO
    17 hours ago
  •  ...clearance with Polygraph. Ideal candidates should possess expertise in Windows and Linux administration, along with strong troubleshooting skills. The successful candidate will manage systems, assist with user issues, and ensure optimal performance across various platforms.... 

    Leidos

    Aurora, CO
    4 days ago
  • $130k - $165k

     ...maintenance of challenging mission critical systems, with offices in Richardson, TX & Aurora, CO. Position Level Junior System Administrator: Performs routine administration and...  ...at a different level than required in a job posting, which may affect the compensation... 
    Work experience placement

    HawkEye 360

    Aurora, CO
    1 day ago
  • Location: Annapolis Junction, Maryland Category: Systems Administration Travel Required:No Remote Type: No Clearance: TS/SCI w/ Polygraph Position Requirements Provides support for implementation, troubleshooting and maintenance of Information Technology (IT) systems.... 
    Temporary work
    Work experience placement
    Immediate start
    Remote work

    Sunayu

    Aurora, CO
    8 hours ago
  •  ...Level 2 certification knowledge. Ideal candidates will have a bachelor’s degree, 2+ years of relevant experience, and familiarity with Linux, Windows, Citrix, VMware, AWS, and storage systems. A broad benefits package accompanies the role. #J-18808-Ljbffr Prattwhitney

    Prattwhitney

    Aurora, CO
    1 day ago
  • 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 work
    Temporary work
    Remote work

    Leidos

    Aurora, CO
    4 days ago
  • $96.57k - $130.65k

    Job Description VIRTUALIZATION SYSTEMS ADMINISTRATOR YOUR IMPACT Own your opportunity to support national defense. Your work will help keep critical operations secure and connected across the global enterprise directly, contributing to a mission that protects our nation... 
    Flexible hours

    General Dynamics Information Technology

    Aurora, CO
    3 days ago
  • $100k - $200k

    Description ANS is currently seeking a Linux / UNIX / Windows System Administrator that will provide Tier 2 technical support to maintain high priority operational systems at a high level of availability, and resolve problems based on mission criticality and guidance.... 
    Temporary work
    Work experience placement
    Local area
    Flexible hours

    ANS

    Aurora, CO
    3 days ago
  • 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... 

    Envision Innovative Solutions

    Aurora, CO
    3 days ago
  • 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... 

    Envision Innovative Solutions

    Aurora, CO
    3 days ago
  • $115k - $170k

    System Administrator (multiple levels) to 170k, FS Poly Aurora, CO Role Overview We are seeking System Administrators at both Level 1 and Level 2 tiers to support the implementation, troubleshooting, and maintenance of critical IT systems. The role involves managing infrastructure... 

    Stanley Reid & Company

    Aurora, CO
    2 days ago
  • $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 time
    Part time
    Local area

    Booz Allen Hamilton

    Aurora, CO
    17 hours ago
  • $60k - $90k

    Position Summary The Senior Systems Administrator acts as the second tier of support for Meriplex’s Technical Assistance Center (TAC) and reports...  ...of all duties, responsibilities, and qualifications required of employees assigned to this job. #J-18808-Ljbffr Meriplex

    Meriplex

    Aurora, CO
    1 day ago
  • $155k - $175k

    Envision Innovative Solutions is hiring a Systems Administrator Level 2 in Aurora, CO. In this role, you will provide essential support for the implementation, troubleshooting, and maintenance of IT systems, ensuring optimal operations. Qualified candidates will have at... 

    Envision Innovative Solutions

    Aurora, CO
    2 days ago
  • Raytheon is seeking a resilient systems specialist to monitor and support critical 24x7 environments at our Aurora, CO site. The role requires active TS/SCI clearance with poly and U.S. citizenship, plus DoD 8570 IAT Level 2 certification on start date. You will collaborate... 

    Raytheon

    Aurora, CO
    4 days ago
  • $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 placement
    Immediate start
    Flexible hours

    RealmOne

    Aurora, CO
    1 day ago
  • $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 time
    Contract work
    Temporary work
    Monday to Friday
    Weekend work
    Afternoon shift

    TekSynap

    Aurora, CO
    1 day ago
  • 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 work
    For contractors
    Immediate start
    Flexible hours

    Cymertek

    Aurora, CO
    1 day ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to System Administrator Jobs. Be the first to apply!