Network & Systems Administrator

Jupiter I, Llc; Denver (CO); On-site; USD 100,000 - 120,000; Full time

Benefits offered by this job

401K with employer match

Medical, dental and vision insurance

Disability coverage

Paid holidays

Paid time off (PTO)

Job summary

LINX in Denver, CO is seeking a Network & System Administrator to design, implement, and support our network infrastructure, servers, and core technology systems. You will collaborate with IT leadership to ensure high availability and secure operations.

Responsibilities include managing LAN/WAN, AD, DNS/DHCP, virtualization, backups, and cloud services (Azure). A strong focus on automation, documentation, and incident response is required.

Qualifications

• Bachelor's degree in Information Technology, Computer Science, or related field, or equivalent experience.
• 5+ years of network and systems administration experience.
• Experience with Windows Server, Active Directory, and Microsoft 365.
• Knowledge of networking technologies (switching, routing, firewalls).
• Experience with virtualization platforms and backup/recovery solutions.
• Strong troubleshooting and analytical skills.
• Excellent communication and customer service skills.
• Ability to work independently and collaboratively.
• Strong documentation and organizational skills.

Responsibilities

• Manage and maintain LAN, WAN, wireless, and VPN environments.
• Configure and support network switches, routers, firewalls, and related infrastructure.
• Monitor network performance and troubleshoot connectivity issues.
• Maintain network documentation, diagrams, and standards.
• Coordinate with vendors and service providers.
• Manage Active Directory, Group Policy, DNS, DHCP, and identity services.
• Support virtualization platforms and server infrastructure.
• Perform system upgrades, patching, and maintenance.
• Manage backup and disaster recovery solutions.
• Support Microsoft 365 and cloud-based services; administer Azure or other cloud environments.
• Monitor system performance and capacity planning.
• Implement infrastructure improvements and automation.
• Collaborate on security initiatives and incident response.
• Provide Tier 2/3 escalation support.
• Develop and maintain technical documentation.
• Identify opportunities for process improvement and automation.

Skills

Network administration

Systems administration

Active Directory

Microsoft 365

Networking technologies

Virtualization

Backup & recovery

Troubleshooting

Documentation

Communication

Education

Bachelor's degree in IT / CS or related field

Tools

Windows Server

Azure

PowerShell

Job description

If you are unable to complete this application due to a disability, contact this employer to ask for an accommodation or an alternative application process.

Network & Systems Administrator

Administrative Denver, CO, US

4 days ago Requisition ID: 2389

Salary Range: $100,000.00 To $120,000.00 Annually

Network & Systems Administrator

Pay Range: $100,000 - $120,000/year

Position Summary

The Network & Systems Administrator is responsible for the design, implementation, maintenance, and support of the organization's network infrastructure, servers, cloud services, and core technology systems. This role serves as a key technical resource for ensuring reliable, secure, and efficient IT operations while supporting strategic technology initiatives.

The position works closely with Help Desk, Security, and IT leadership to maintain high system availability, improve performance, and support business growth.

Key Responsibilities

Network Administration

• Manage and maintain LAN, WAN, wireless, and VPN environments.
• Configure and support network switches, routers, firewalls, and related infrastructure.
• Monitor network performance and troubleshoot connectivity issues.
• Maintain network documentation, diagrams, and standards.
• Coordinate with vendors and service providers.

Systems Administration

• Manage Active Directory, Group Policy, DNS, DHCP, and identity services.
• Support virtualization platforms and server infrastructure.
• Perform system upgrades, patching, and maintenance.
• Manage backup and disaster recovery solutions.
• Support Microsoft 365 and cloud-based services.
• Administer Azure or other cloud environments.
• Monitor system performance and capacity planning.
• Implement infrastructure improvements and automation.

Security

• Collaborate with Security Administrator on compliance and security initiatives.
• Implement security controls and best practices.
• Assist with vulnerability remediation and system hardening.
• Participate in incident response activities.

Support & Project Work

• Provide Tier 2 and Tier 3 escalation support.
• Participate in infrastructure and technology projects.
• Develop and maintain technical documentation.
• Identify opportunities for process improvement and automation.

This job description outlines the general nature and level of work expected for this role. It is not intended to be an exhaustive list of all duties, responsibilities, or qualifications. The company reserves the right to modify job duties at any time based on business needs.

Qualifications

Required

• Bachelor's degree in Information Technology, Computer Science, or related field, or equivalent experience.
• 5+ years of network and systems administration experience.
• Experience with:
  • Windows Server
  • Active Directory
  • Microsoft 365
  • Networking technologies (switching, routing, firewalls)
  • Virtualization platforms
  • Backup and recovery solutions
• Strong troubleshooting and analytical skills.
• Ability to manage multiple priorities simultaneously.
• Excellent communication and customer service skills.
• Ability to work independently and collaboratively.
• Strong documentation and organizational skills.

Preferred

• Experience with Azure cloud services.
• Experience with scripting and automation (PowerShell).
• Security and compliance experience.
• Industry certifications such as:
  • Network+
  • Security+
  • CCNA
  • Microsoft Certifications

Visa Sponsorship: LINX does not offer visa sponsorship for this position. Candidates must be legally authorized to work in the United States without current or future sponsorship.

Job Title: Network & System Administrator

Department: LINX Corporate

Reports To: IT Director

FLSA Status: Exempt

• 401K with 50% employer match up to first 5%
• Insurance options including Medical plans with Flexible Spending and/or Health Savings Accounts, Disability, Dental and Vision
• 8 Paid Holidays
• 3 weeks Paid Time Off (PTO) combining sick pay and vacation days

Posting Deadline

This position will remain open until December 31, 2026 or until filled.

Equal Employment Opportunity Statement

We are an Equal Opportunity Employer and value diversity in the workplace. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, or any other protected characteristic.

In compliance with the Colorado Equal Pay for Equal Work Act, the salary range for this role is listed above. Actual compensation within the range will be determined based on factors such as experience, skills, internal equity, and geographic location.