Systems/Network Administrator

AVIAN

. Monitor, maintain, and optimize enterprise systems and network infrastructure, including servers, switches, firewalls, endpoints, VPN, wireless, and authentication services .

Posted 10/22/2026full-timeLexington Park • Maryland • United StatesMid-LevelSenior💰 $85,000 - $100,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in systems administration and network management, with a strong focus on cybersecurity practices, incident response, and compliance. Proficient in providing end-user support and maintaining technical documentation while collaborating effectively across departments.

Highest-signal resume keywords

Systems AdministrationNetwork ManagementCybersecurity PracticesWindows ServerMicrosoft 365 Tenant Administration

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Systems AdministrationNetwork ManagementCybersecurity PracticesTroubleshootingConfiguration ChangesDigital ForensicsIncident ResponseAsset Lifecycle ManagementPatchingUpgrades

Soft Skills

Clear CommunicationCustomer-Service OrientationCollaboration

Tools & Technologies

Windows ServerMicrosoft 365Entra IDLAN/WANFirewallsEndpoint ManagementVirtualizationRouting/SwitchingVPNAuthentication Services

Certifications & Qualifications

CompTIA Security+Microsoft AZ-104Cisco CCNA

Industry Keywords

CybersecurityCompliance RequirementsAudit ProcessesTechnical RemediationHelpdesk SupportInfrastructure OptimizationHealth ChecksConfiguration DriftIncident Response WorkflowsSecure/Government Tenant Environments

Tech Stack

Tools & technologies

Cyber SecurityFirewallsSwitching

About the role

Key responsibilities & impact

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
Support proactive cybersecurity policies and procedures
Assist with discovery, verification, and documentation of cyber incidents
Execute remediation steps during IT incidents in coordination with IT leadership
Support digital forensics and technical remediation efforts as directed
Apply corrective actions related to vulnerabilities, configuration drift, audit findings, and compliance requirements
Administer hardware and software asset lifecycle activities, including acquisition, installation, tracking, maintenance, and decommissioning
Serve as the primary point of contact for employee helpdesk requests
Provide end-user support for account management, access, device setup, and troubleshooting
Collaborate with HR/Ops and Security on onboarding and offboarding
Maintain technical documentation, including network diagrams, configuration baselines, runbooks, and troubleshooting guides
Contribute to audit preparation materials
Report recurring issues, risks, and infrastructure needs to IT leadership
Recommend continuous improvements to systems and processes

Requirements

What you’ll need

Bachelor’s degree in Information Technology, Cybersecurity, or related, 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
Ability to collaborate across departments
Clear written and verbal communication
Customer-service orientation
U.S. Citizenship is required
Preferred: GCC High or other secure/government tenant environments
Preferred: CompTIA Security+, Microsoft AZ-104, or Cisco CCNA certifications
Preferred: familiarity with digital forensics, audit processes, and remediation activities

Benefits

Comp & perks

Employee ownership
Medical, dental, and vision coverage
Telemedicine services
TRICARE supplement for veterans
Flexible and paid time off
11 paid holidays
Paid sick leave
Maternity and bonding leave
Military training leave
Community initiatives and employee engagement opportunities