Systems/Network Administrator

AVIAN LLC•Lexington Park, MD

14h•$85,000 - $100,000

About The Position

The Systems/Network Administrator supports AVIAN’s corporate Information Technology operations as part of the IT team. This role maintains the secure, reliable, and efficient operation of AVIAN’s systems and networks; proactively identifies and remediates system and network issues; supports cybersecurity initiatives to safeguard CUI and other sensitive information; and provides responsive technical support to employee-owners in alignment with AVIAN’s IT Management Policy. Working closely with the SharePoint Administrator and IT/Cybersecurity Specialist, the administrator handles daily operational tasks, assists with incident response, implements corrective actions, and helps maintain enterprise documentation and audit readiness. AVIAN is a mid-sized, employee-owned company that primarily serves the Navy and other Department of Defense clients.

Requirements

Bachelor’s degree in Information Technology, Cybersecurity, or a related field, or an equivalent combination of education, professional training, and/or work experience.
3+ years’ experience in systems administration and network management within enterprise environments.
Hands-on experience with Windows Server, Microsoft 365 Tenant Administration, Entra ID, virtualization, LAN/WAN, routing/switching, firewalls, and endpoint management.
Understanding of cybersecurity practices, incident response workflows, and security compliance.
Strong troubleshooting skills, an ownership mindset, and ability to collaborate across departments.
Clear written and verbal communication skills and a customer-service orientation.
U.S. Citizenship is required due to the sensitivity of customer-related requirements.

Nice To Haves

Experience in GCC High or other secure/government tenant environments.
Certifications such as CompTIA Security+, Microsoft AZ-104, or Cisco CCNA.
Familiarity with digital forensics, audit processes, and remediation activities.

Responsibilities

Monitor, maintain, and optimize enterprise systems and network infrastructure, including servers, switches, firewalls, endpoints, VPN, wireless, and authentication services.
Conduct routine health checks, patching, upgrades, and configuration changes to maintain availability, stability, and performance.
Support proactive cybersecurity policies and procedures, including discovery, verification, and documentation of cyber incidents.
Execute remediation steps during IT incidents in coordination with IT leadership, and support digital forensics and technical remediation as directed.
Apply corrective actions related to vulnerabilities, configuration drift, audit findings, and compliance requirements.
Administer asset lifecycle activities, including acquisition, installation, tracking, maintenance, and decommissioning of hardware and software.
Serve as the primary point of contact for employee helpdesk requests and provide timely end-user support for account management, access, device setup, and troubleshooting.
Collaborate with HR/Ops and Security on onboarding and offboarding processes.
Maintain technical documentation, including network diagrams, configuration baselines, runbooks, and troubleshooting guides, and contribute to audit preparation materials.
Report recurring issues, risks, and infrastructure needs to IT leadership, and recommend continuous improvements to systems and processes.