Job Description

Computer Network & Systems Administrator — Defence

Location: Puckapunyal, Victoria
Clearance: Current NV1 required before commencement
Engagement: Contract | Onsite | Remote work only with written approval

Pinaka is seeking an experienced Computer Network & Systems Administrator to support the availability, security and continual improvement of LS Core production network and integrated ICT services within a Defence environment.

We bring this opportunity to you via a prime contractor supporting Defence.

This is a hands-on, single-incumbent onsite role for someone who can confidently manage enterprise network operations, resolve complex technical issues and maintain secure, well-documented network services with minimal supervision.

What you'll do

• Administer and support enterprise routing, switching, WLAN, firewalls, VPNs and remote-access services.
• Deliver Level 2/3 support, diagnostics, root-cause analysis and incident/problem management.
• Monitor network events and alerts, restore services within agreed timeframes and maintain known-error records.
• Apply and maintain network-security controls including firewall rules, ACLs, IDS/IPS, NAC and certificate/PKI integrations.
• Implement hardening, firmware and patching aligned with Defence security and accreditation requirements.
• Maintain network configurations and baselines, and deliver formal changes with testing, implementation and backout plans.
• Conduct capacity and performance analysis across bandwidth, latency and error rates.
• Support configuration backup/restore, resilience testing and disaster-recovery activities.
• Maintain low-level designs, network diagrams, IP address plans, rack layouts, SOPs, build sheets and BAU runbooks.
• Coordinate maintenance windows, upgrades, warranty/RMA activities and vendor engagement.
• Recommend improvements to monitoring, alerting, lifecycle management and network standards.

What we're looking for

• Senior-level experience operating enterprise networks in a BAU or production environment.
• Strong experience across TCP/IP, routing, switching, VLANs, VPNs and network-security controls.
• Demonstrated Level 2/3 network support, change, configuration and troubleshooting capability.
• Strong documentation discipline and experience maintaining runbooks and network records.
• Ability to work independently as the sole onsite network administrator.
• Clear, professional communication and stakeholder-management skills.

Highly regarded

• Defence ICT or LS Core 2.0 experience.
• CCNA/CCNP, Fortinet NSE, Palo Alto PCNSA/PCNSE and/or ITIL Foundation.
• OSPF, BGP, QoS, EtherChannel/LAG, STP/RSTP.
• Next-generation firewalls, VPNs, NAC, IDS/IPS, AAA, RADIUS/TACACS+ and PKI.
• Active Directory, Group Policy, Intune/MECM, SIEM, virtualisation, PRTG, syslog, SNMP, NetFlow and telemetry.

To be eligible, you must hold a current NV1 security clearance

What to submit

If you are interested, please send your current CV and a short response outlining your relevant service-management and Defence/secure-environment experience.

Why choose Pinaka

We know the government ICT market and we keep things straightforward. We take time to understand your background, your goals and the type of role that suits you. We believe transparency is about more than rates and our margins are fair and always disclosed.

What you can expect from us...

1. Fair, disclosed margins
2. Clear communication at every stage
3. Honest advice on fit and competitiveness
4. Visibility on submissions and process status
5. A professional and respectful experience

How you are paid...

You choose what's best for you.

1. PAYG through Pinaka
2. Third-party payroll
3. Self-employed (own ABN)

With a single, transparent and fixed margin, we ensure compliance to all state and payroll laws. So that is one less thing for you to worry about.

BYO CONTRACT

Already in a role but not happy with the setup?

Port in your contract to Pinaka for a simpler and more transparent experience. We also have some exciting limited time offers on top of the incredible margins we offer.

BETTER TOGETHER

Our referral program for people who introduce strong candidates to us.

Refer a friend - Earn $1/hr per successful referral as long as you both with us. Refer as many friends as you want; no caps.