Systems Administrator

3 hours ago


Colorado Springs, Colorado, United States Infinity Systems Engineering Full time

Salary Range:

Infi nit y's niche in the aerospace and defense industry is specialized solutions that help bridge the gap between space and ground. This is no small task, and we owe our success to our team who help us fulfill our mission; to match people with their legacies for betterment of the world. There is always a place at Infinity for a motivated, capable individual seeking a career to better the world. We prioritize supporting our team through exceptional benefits, work-life balance, and structured career development. At Infinity, WE ARE MORE - now, come be more with us

Job Summary
The Systems Administrator is responsible for the maintenance, configuration, and reliable operation of computer systems, servers, and network infrastructure. The role involves installing hardware and software, managing network services, ensuring system performance and security, and providing technical support to internal users. The Systems Administrator will work closely with the IT team to ensure all organizational IT services are running efficiently and securely.

Key Responsibilities
System Maintenance and Administration:

  • Install, configure, and maintain operating systems, application software, and system management tools.
  • Perform regular system monitoring, verifying the integrity and availability of hardware, server resources, and key processes.
  • Troubleshoot hardware, software, and networking issues, and provide solutions in a timely manner.

Security And Backup

  • Implement and maintain security measures, including firewall, anti-virus, and intrusion detection/prevention systems.
  • Manage user access controls, ensuring proper security protocols are followed.
  • Perform regular backups and ensure disaster recovery plans are in place and tested.

Network And Server Management

  • Maintain and administer computer networks, including LANs, WANs, VPNs, and wireless systems.
  • Set up and configure new servers, and ensure their performance meets business needs.
  • Monitor network performance and optimize it for availability and efficiency.

User Support And Training

  • Provide technical support and troubleshooting assistance to end-users.
  • Maintain documentation of systems, processes, and configurations.
  • Assist with onboarding and training of new staff on relevant IT systems .

System Performance And Optimization

  • Analyze system logs and identify potential issues with computer systems.
  • Optimize system performance, ensuring all systems run efficiently and securely.
  • Ensure the availability of IT services and respond promptly to incidents and service requests.

Software And Patch Management

  • Perform routine updates of software, operating systems, and security patches.
  • Ensure software licensing compliance and manage vendor relationships for IT products and services.

Qualifications

  • Clearance Requirement: TS/SCI CI Poly
  • Education/Experience: 2 years with BS/BA; without a degree, 6 years' experience may be considered.
  • Required Skills:
  • Active DoD 8570 IAT Level II certification (ex: Security+ CE), or greater.
  • Able to support an after-hours on-call schedule. On-call duties are required due to mission criticality and are shared among the team on a rotating basis.
  • Able to occasionally work abnormal hours to support spacecraft launch events.
  • Experience with Red Hat Enterprise Linux 8 (RHEL8), specifically including configuring Security-Enhanced Linux (SELinux) to allow custom applications, and File Access Policy (FApolicy) setup.
  • Experience or familiarity with Red Hat Enterprise Linux integration with Windows authentication services (Active Directory).
  • Experience or familiarity with hardening system environments by optimizing storage partitions to meet STIG (Security Technical Implementation Guide) and custom application requirements.
  • Preferred Skills/Certifications:
  • Experience with the challenges associated with systems integration, including COTS integration, capacity analysis, and system architecture design.
  • Experience using automation tools to maintain a system configuration baseline, and to execute tasks such as software installs and vulnerability patches.
  • Experience with establishing and configuring Gitlab CI/CD (Continuous Integration Continuous Delivery) pipeline.
  • Experience with Splunk to include creating dashboards to monitor the state of critical system component.
  • Experience with cross domain solutions spanning across different levels of security classification.
  • Experience or familiarity using automation tools such as Ansible, Red Hat Satellite, Chef, and Puppet.

Work Environment/Physical Requirements

  • Ability to lift and carry equipment weighing up to 50 lbs.
  • Ability to perform tasks such as connecting cables, installing hardware, and setting up workstations.
  • Standing, sitting, and bending for extended periods.

Work Schedule
This is a full-time position, typically working 40 hours per week. Overtime may be required depending on operational needs.

Infinity Benefits
Great Company Culture. Infinity firmly believes that our success is due to the happiness and personal satisfaction of our employees.Â

Health Benefits. 100% Company Paid monthly Medical and Dental premiums for you AND your family.Â

Prepare for the Future. 401(k) company contribution, with free professional financial planning advisorsÂ

Rest and Relaxation.  Three weeks' Vacation - and we offer an annual company reward trip after one year of employment.

Health and Wellness. We offer 48 hours of sick leave, in addition to your Vacation, as well as Flex-Spending options (Medical and Dependent Care)Â

Work that Stays at Work. Genuine work/life balance and flexibility. We know our employees have lives outside of work and we support you in living themÂ

Education and Professional Training Reimbursement.  We support our employees career aspirations and growth through our Education Reimbursement ProgramÂ

Profit Sharing Plan.  Infinity's success is due to our employees which is why all eligible employees receive an annual payout based on our Profit-Sharing Plan.Â

 U.S. Citizenship is required.

EOE including disability/vet

To learn more about our company and benefits, please visit: Â Infinity Careers )

Anticipated Close Date: 01/19/26



  • Colorado Springs, Colorado, United States AMERICAN SYSTEMS Full time

    Overview:Do you have an IAT Level II Certification and a TS/SCI Clearance? AMERICANS SYSTEMS is seeking a Systems Administrator with 3 - 5 years of experience to join us on our recently awarded 5 year contract supporting The US Space Force in Colorado Springs, CO.Responsibilities:Organize, install, and support government organization's computer systems,...

  • Systems Administrator

    3 hours ago


    Colorado Springs, Colorado, United States AmNet Services Full time

    Company Description America Networks is a leading sensor and networking solutions partner for companies in any Industrial, Manufacturing, and Waste management space. We design and manufacture sensors for storage tanks, water metering, energy metering, gas monitoring, and asset management. Our founders are hardcore telecommunications engineers with combined...

  • System Administrator

    4 minutes ago


    Colorado Springs, Colorado, United States KBR Full time

    Title:System Administrator (SA) SMEKBR's National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and national security communities. In this position, your work will have a profound impact on the country's most critical role – protecting our national security.Why Join...

  • System Administrator

    5 hours ago


    Colorado Springs, Colorado, United States KBR Careers Full time

    TitleSystem AdministratorJob Posting DescriptionBelong. Connect. Grow. with KBRKBR's National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and national security communities. In this position, your work will have a profound impact on the country's most critical role – protecting...

  • System Administrator

    7 hours ago


    Colorado Springs, Colorado, United States Caribou Thunder Full time

    System AdministratorLevel II–III | Colorado Springs, CO | Active DoD Secret Clearance RequiredSupport and secure the mission environments behind one of the nation's most critical deep-space radar systems—where Linux expertise directly enables global defense operations.A Day in the Life – What You'll DoServe as a Linux System Administrator supporting...

  • Systems Administrator

    18 minutes ago


    Colorado Springs, Colorado, United States Northrop Grumman Full time $75,800 - $141,200

    RELOCATION ASSISTANCE: No relocation assistance availableCLEARANCE TYPE: SecretTRAVEL: Yes, 25% of the TimeDescriptionAt Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at...

  • System Administrator

    4 hours ago


    Colorado Springs, Colorado, United States Cimarron Software Services Inc Full time

    Job Description:Cimarron is seeking a System Administrator to support the Missile Defense Agency (MDA) on the Integrated Research and Development for Enterprise Solutions (IRES) contract at Schriever Space Force Base in the Colorado Springs, CO area.This is a second shift (1400–2200) position and will require candidates to have the flexibility to support...


  • Colorado Springs, Colorado, United States Sev1Tech LLC Full time

    Position is contingent upon contract award and funding.Sev1Tech is seeking a System Administrator SME to support the US Space Force, Space Operations Command (SpOC), Space Delta 8. Space Delta 8 is the SATCOM war-fighting lead for the US Space Force and leads the operation, maintenance, and modernization of the Wideband Global SATCOM System (WGS) with points...

  • System Administrator

    3 hours ago


    Colorado Springs, Colorado, United States Infojini Inc Full time

    Job duties:Enterprise application and systems administration, configuration, and customization Support applications in their corresponding cloud-based or on-prem environments Install and upgrade computer components and software, manage virtual servers, and integrate automation processes Troubleshoot hardware and software errors by running diagnostics,...


  • Colorado Springs, Colorado, United States Amentum Full time

    Position Title: NMAC System AdministratorLocation: Peterson Space Force Base, ColoradoRelocation Assistance: None available at this timeRemote/Telework: NO - Not available for this positionClearance Type: Top Secret with SCI EligibilityShift: Shift work may be requiredTravel Required: Up to 10% of the timeOur NORAD Operations GroupSelected by the Air Force...