Systems Administrator

Infinity Systems Engineering; Colorado Springs (CO); On-site; USD 75,000 - 110,000; Full time

Benefits offered by this job

Health benefits

401(k) plan

Paid time off

Education reimbursement

Profit sharing

Job summary

Infinity is seeking a Systems Administrator to maintain and secure our computer systems, servers, and network infrastructure on site in Colorado Springs. The role requires hands-on management, troubleshooting, and collaboration with the IT team to ensure reliable service.

The ideal candidate has a bachelor’s degree and 3+ years of experience, with a active Secret clearance. Proficiency in Windows and Linux, virtualization (VMware/Hyper‑V), and cloud platforms (AWS/Azure) is expected.

Qualifications

• Bachelor’s degree in Computer Science, Information Technology, or a related field.
• 3+ years of experience as a Systems Administrator, Network Administrator, or similar role.
• Active Secret clearance is required.
• Hands-on experience with Windows and Linux server environments.

Responsibilities

• Install, configure, and maintain operating systems, software, and system management tools.
• Manage Solaris and Linux environments and perform daily admin tasks.
• Maintain security measures including firewalls and intrusion detection.
• Administer networks: LANs, WANs, VPNs, and wireless systems.
• Provide end-user support and document system configurations.
• Monitor and optimize system performance and respond to incidents.

Skills

System administration

Security best practices

Network management

Windows server

Linux server

Scripting (PowerShell, Bash)

Problem solving

Communication

Documentation

Independent work

Education

Bachelor's degree in Computer Science / IT or related field

Tools

VMware

Hyper‑V

AWS

Azure

VPNs

Firewalls

Job description

Infinity’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 of leveraging the strength of our people and our partners to deliver innovative, intelligent solutions that solve complex challenges. 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 daily systems administration and help desk tasks for Solaris and Linux environments.
• Manage file systems, storage, and virtualization (ZFS, UFS, VEEAM, PDOM/LDOM).
• 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.
• Ensure cybersecurity compliance through best practices, STIGs, patching and vulnerability remediation.
• 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:

• Education:Bachelor’s degree in Computer Science, Information Technology, or a related field or equivalent combination of experience in lieu of degree.
• Experience:3+ years of experience as a Systems Administrator, Network Administrator, or similar role.
• Clearance Requirement: Active Secret
• Required Skills:
• Hands-on experience with system administration, security, and network management.
• Proficiency with Windows and Linux server environments.
• Experience with virtualization (e.g., VMware, Hyper‑V) and cloud platforms (e.g., AWS, Azure).
• Knowledge of network protocols, firewalls, VPNs, and security best practices.
• Familiarity with scripting languages (e.g., PowerShell, Bash) is a plus.
• Excellent problem‑solving and troubleshooting skills.
• Strong communication skills to interact with users and team members.
• Ability to prioritize tasks and work independently.
• Detail‑oriented and capable of documenting procedures effectively.
• Preferred Skills/Certifications:
• CompTIA Network+ or Security+
• Certified Information Systems Security Professional (CISSP)

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 on site, typically working 40 hours per week. Overtime may be required depending on operational needs.

Infinity Benefits

• Company Culture.Infinity firmly believes that our success is due to the happiness and personal satisfaction of our employees.
• Health Benefits. Infinity covers 100% of the monthly medical and dental premiums for you and your family.
• Rest and Relaxation. Enjoy three weeks of vacation, with the flexibility to use vacation hours in advance before fully accrued.
• Health and Wellness. In addition to vacation, we provide sick leave, plus Flex‑Spending Account (FSA) options for medical and dependent care
• Prepare for the Future. Our 401(k) plan includes company contributions, without requiring matching, along with access to free professional financial planning services.
• Education and Professional Development.We invest in our team’s growth with our Education Reimbursement Program, supporting your career advancement.
• Profit Sharing Plan.Our employees are key to our success, which is why all eligible team members receive an annual payout through our Profit‑Sharing Plan.
• And more!

U.S. Citizenship is required

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

Anticipated Close Date:

Applications are anticipated to remain open for a minimum of 4 calendar days from the date this position is posted. The application period may be extended based on recruitment needs. Applicants are encouraged to apply promptly.