Network Administrator

Job Description

Job Description

Job Title: Network Administrator (Cybersecurity-Focused)

Location: Southfield, MI
Employment Type: Full-Time, On-Site

*At this time, we are only considering candidates who reside in metro-Detroit area and no out-of-state applications will be considered*

Position Overview

We are seeking a highly skilled Network Administrator with deep cybersecurity expertise to design, secure, and support our enterprise network infrastructure. This role is critical to protecting organizational data, ensuring network reliability, and proactively defending against cyber threats.

The ideal candidate is both technically elite and security-minded, with hands-on experience managing complex networks, implementing cybersecurity controls, and owning firewall architecture—specifically WatchGuard environments. This role offers significant ownership, visibility, and long-term growth into senior infrastructure or security leadership roles.

Key Responsibilities

Network Infrastructure & Operations

• Design, deploy, monitor, and maintain enterprise network infrastructure including LAN, WAN, VPN, wireless, and cloud-connected environments.
• Ensure high availability, performance, scalability, and security across all network systems.
• Troubleshoot complex network issues and lead root-cause analysis for outages or performance degradation.
• Manage switches, routers, access points, and network monitoring tools.

Cybersecurity & Risk Management

• Serve as a frontline defender against cyber threats through proactive security design and monitoring.

• Implement and manage network security controls including IDS/IPS, VPNs, segmentation, and zero-trust principles.
• Conduct vulnerability assessments, threat analysis, and remediation planning.
• Lead incident response efforts related to network-based security events.

Firewall & WatchGuard Administration

• Own firewall architecture and security policy design across all locations.
• Configure, manage, and optimize WatchGuard firewalls(certification required).
• Maintain VPN tunnels, traffic filtering, intrusion prevention, and logging.
• Ensure firewall rules align with compliance, security, and business needs.

Compliance & Governance

• Ensure network and security practices comply with internal policies and external regulatory standards (HIPAA, SOC 2, etc., as applicable).
• Maintain documentation, diagrams, policies, and standard operating procedures.
• Support audits, risk assessments, and security reviews.

Monitoring, Optimization & Reporting

• Implement monitoring and alerting tools to detect performance or security issues in real time.
• Analyze logs, traffic patterns, and threat intelligence to identify risks and improvement opportunities.
• Provide leadership with security posture updates and actionable recommendations.

Collaboration & Leadership

• Partner with IT leadership, application teams, and operations to align infrastructure with business goals.
• Mentor junior IT staff on networking and security best practices.
• Contribute to long-term infrastructure and cybersecurity roadmap planning.

Required Qualifications

Education

• Bachelor’s degree in information technology, Computer Science, Cybersecurity, ora related field (or equivalent experience).

Experience

• 5+ years of hands-on experience in network administration and infrastructure support.
• Strong background in-network security and cybersecurity operations.
• Demonstrated experience managing enterprise firewall environments.
• Experience supporting multi-site or hybrid (on-prem + cloud) environments.

Certifications (Required / Strongly Preferred)

• WatchGuard Firewall Certification(required).
• Cybersecurity certifications such as:

• CISSP, CISM, or Security+
• CCNA / CCNP (Security or Enterprise)
• Network+ (minimum baseline)

Technical Skills

• Advanced knowledge of TCP/IP, DNS, DHCP, VLANs, routing, and switching.
• VPN technologies (site-to-site and remote access).
• IDS/IPS, SIEM tools, and network monitoring platforms.
• Experience with cloud networking concepts (Azure, AWS, or hybrid environments).

• Strong documentation and technical writing skills.

What We Offer

• Competitive salary based on experience and certifications.
• Comprehensive benefits (medical, dental, vision, life, disability).
• 401(k) retirement plan.
• Paid time off and holidays.
• Career growth opportunities into senior infrastructure, cybersecurity, or IT leadership roles.
• High-impact role with ownership over mission-critical systems.
• Collaborative, onsite team environment with strong executive support.

Why Join Us

This is an opportunity to own and shape the security posture of a growing organization. You won’t just maintain systems—you’ll design, protect, and evolve them. If you’re passionate about cybersecurity, infrastructure excellence, and building resilient networks, this role offers both challenge and long-term growth.