Network Administrator

Tiger Advisory; United States; Remote; USD 83,000 - 124,000; Part time

Job summary

Tiger Advisory is seeking an experienced Network Administrator for a part-time contract, remote in the United States. You will own day-to-day network operations while the team undergoes a major transformation.

Responsibilities include managing Palo Alto firewalls, pfSense, F5 LTM, HAProxy, and Cumulus Linux switches. The role requires strong routing, switching, VPN/NAT skills and independent work on a flexible schedule.

Qualifications

• 5+ years of hands-on network administration in an enterprise environment.
• Strong working knowledge of Palo Alto Networks firewalls.
• Experience with pfSense, F5 load balancers (LTM) and HAProxy.
• Experience with Cumulus Linux or other Linux-based network operating systems.
• Solid grasp of routing, switching, VLANs, VPNs, NAT and core TCP/IP.

Responsibilities

• Take ownership of daily network administration and operational support.
• Manage and maintain Palo Alto Networks firewalls, including policy updates and troubleshooting.
• Administer pfSense firewalls across the environment.
• Support and configure F5 load balancers and HAProxy.
• Maintain and troubleshoot Cumulus Linux network switches.
• Handle tickets, incidents, change requests and routine maintenance.
• Monitor network performance and availability and flag issues early.

Skills

Network administration

Independent work

Clear communicator

Routing & switching

TCP/IP expertise

Tools

Palo Alto firewalls

pfSense

F5 LTM

HAProxy

Cumulus Linux

Job description

Network Administrator (Part Time Contract)

Location: Remote

Hours: 20-30 hours per week

Type: Contract, staff augmentation

About The Company

This company is a global legal and compliance services company that brings together people, process and technology. It supports law firms, corporate legal departments and organizations in financial services, healthcare, insurance, pharma, energy and tech. Its work covers eDiscovery and litigation support, class action and mass tort administration, bankruptcy and restructuring, contracts management, regulatory and cyber services, and AI driven legal technology. It operates internationally and handles large volumes of highly sensitive client data, so a stable and secure network is critical to the business.

About the Role

The company's network operations team is small and is leading a major network transformation project. They need an experienced Network Administrator to own the day to day so the core team can stay focused on the bigger build.

You'll keep the current environment healthy, secure and running while the transformation moves forward around you.

What You'll Do

• Take ownership of daily network administration and operational support
• Manage and maintain Palo Alto Networks firewalls, including policy updates, rule changes and troubleshooting
• Administer pfSense firewalls across the environment
• Support and configure F5 load balancers and HAProxy
• Maintain and troubleshoot Cumulus Linux network switches
• Handle tickets, incidents, change requests and routine maintenance
• Monitor network performance and availability and flag issues early
• Keep documentation current and hand off cleanly to the core team when work touches the transformation

What You Bring

• 5+ years of hands on network administration in an enterprise environment
• Strong working knowledge of Palo Alto Networks firewalls
• Experience with pfSense
• Experience with F5 load balancers (LTM) and HAProxy
• Experience with Cumulus Linux or other Linux based network operating systems
• Solid grasp of routing, switching, VLANs, VPNs, NAT and core TCP/IP
• Comfortable working on your own with little oversight on a part time schedule
• Clear communicator who can work alongside a busy internal team

Nice to Have

• PCNSE, F5 CTS, CCNP or similar certifications
• Experience supporting legal tech, eDiscovery, financial services or other regulated environments
• Familiarity with security and compliance expectations around sensitive client data
• Exposure to network automation (Ansible, Python)
• Background supporting an environment in the middle of a transformation or migration

Why This Role

Flexible part time hours, remote friendly, and a varied multi vendor environment at a global company in the middle of a major network modernization.