Infrastructure Systems Administrator
4 days ago
Infrastructure Systems Administrator - Defence & Maritime
Location:
Central Sydney
Clearance:
NV1 (Australian Citizens only)
Salary:
$160,000 - $190,000 depending on experience
Our client, a leading defence partner in the maritime domain, is seeking a skilled
Infrastructure Systems Administrator
to join their team. This role is pivotal in ensuring the stability, security, and scalability of critical defence simulation and fleet battle systems.
If you're an experienced systems administrator with a passion for defence technology and the capability to operate in a highly secure environment, this is an opportunity to play a direct role in supporting Australia's naval operations.
Key Responsibilities
- Administer and maintain Windows Server 2022 and Red Hat Enterprise Linux 8 systems
- Manage Active Directory, Group Policy, DNS, DHCP, and implement system hardening
- Configure and optimise Hyper-V and VMware environments
- Oversee Veeam Backup & Replication, including disaster recovery planning
- Configure, monitor, and troubleshoot Cisco switches/routers and FortiGate firewalls
- Support and secure LAN, WAN, and VPN infrastructure
- Integrate and support simulation systems using advanced simulation architectures
- Ensure systems remain compliant with evolving Defence cyber standards
- Monitor performance, apply patches, and automate tasks with PowerShell and Bash
- Provide Tier 2/3 support and manage incident troubleshooting and resolution
- Maintain up-to-date documentation of ICT systems and services
- Collaborate with vendors and Defence stakeholders under structured change management
Required Qualifications & Certifications
Certificate IV, Diploma, or higher in IT; or equivalent industry certifications such as:
Microsoft Certified: Windows Server Administrator
- Red Hat Certified System Administrator/Engineer (RHCSA/RHCE)
- VMware Certified Professional (VCP)
- Cisco CCNA/CCNP
- Fortinet NSE 4+
- Veeam Certified Engineer (VMCE)
- CompTIA Security+ or Network+
Essential Skills & Experience
- Minimum 5 years' systems administration experience in medium-to-large IT environments
- Strong expertise in Windows and/or Linux (RHEL) administration
- Proven experience with Cisco networking and FortiGate firewalls
- In-depth knowledge of AD, DNS, DHCP, and Group Policy
- Hands-on experience with Hyper-V, VMware, and Veeam Backup & Replication
- Solid grasp of networking protocols (TCP/IP, VLANs, routing, VPNs, multicast)
- Strong troubleshooting and problem-solving ability
- Knowledge of cyber security practices and security awareness
- Excellent communication and collaboration skills
Highly Desirable
- Exposure to defence/military IT environments, especially maritime or naval
- Experience with simulation standards (DIS/HLA)
- Familiarity with Naval Combat Management Systems (2+ years)
- Understanding of Navy operations, doctrine, and warfighting principles
- Knowledge of C4I systems (e.g., Link16, GCCS)
- Proficiency in automation scripting (PowerShell, Bash)
Additional Details
- Hours:
40 per week; flexibility required to align with US time zones during exercises (may include overnight work) - Clearance:
Must currently hold or be eligible to hold an
NV1 Defence clearance - Eligibility:
Australian Citizens with current secruity clearance
Desired Skills and Experience
Infrastructure Systems Administrator - Defence & Maritime
Location: Central Sydney
Clearance: NV1 (Australian Citizens only)
Salary: $160,000 - $190,000 depending on experience
Our client, a leading defence partner in the maritime domain, is seeking a skilled Infrastructure Systems Administrator to join their team. This role is pivotal in ensuring the stability, security, and scalability of critical defence simulation and fleet battle systems.
If you're an experienced systems administrator with a passion for defence technology and the capability to operate in a highly secure environment, this is an opportunity to play a direct role in supporting Australia's naval operations.
Key Responsibilities
Administer and maintain Windows Server 2022 and Red Hat Enterprise Linux 8 systems
Manage Active Directory, Group Policy, DNS, DHCP, and implement system hardening
Configure and optimise Hyper-V and VMware environments
Oversee Veeam Backup & Replication, including disaster recovery planning
Configure, monitor, and troubleshoot Cisco switches/routers and FortiGate firewalls
Support and secure LAN, WAN, and VPN infrastructure
Integrate and support simulation systems using advanced simulation architectures
Ensure systems remain compliant with evolving Defence cyber standards
Monitor performance, apply patches, and automate tasks with PowerShell and Bash
Provide Tier 2/3 support and manage incident troubleshooting and resolution
Maintain up-to-date documentation of ICT systems and services
Collaborate with vendors and Defence stakeholders under structured change management
Required Qualifications & Certifications
Certificate IV, Diploma, or higher in IT; or equivalent industry certifications such as:
Microsoft Certified: Windows Server Administrator
Red Hat Certified System Administrator/Engineer (RHCSA/RHCE)
VMware Certified Professional (VCP)
Cisco CCNA/CCNP
Fortinet NSE 4+
Veeam Certified Engineer (VMCE)
CompTIA Security+ or Network+
Essential Skills & Experience
Minimum 5 years' systems administration experience in medium-to-large IT environments
Strong expertise in Windows and/or Linux (RHEL) administration
Proven experience with Cisco networking and FortiGate firewalls
In-depth knowledge of AD, DNS, DHCP, and Group Policy
Hands-on experience with Hyper-V, VMware, and Veeam Backup & Replication
Solid grasp of networking protocols (TCP/IP, VLANs, routing, VPNs, multicast)
Strong troubleshooting and problem-solving ability
Knowledge of cyber security practices and security awareness
Excellent communication and collaboration skills
Highly Desirable
Exposure to defence/military IT environments, especially maritime or naval
Experience with simulation standards (DIS/HLA)
Familiarity with Naval Combat Management Systems (2+ years)
Understanding of Navy operations, doctrine, and warfighting principles
Knowledge of C4I systems (e.g., Link16, GCCS)
Proficiency in automation scripting (PowerShell, Bash)
Additional Details
Hours: 40 per week; flexibility required to align with US time zones during exercises (may include overnight work)
Clearance: Must currently hold or be eligible to hold an NV1 Defence clearance
Eligibility: Australian Citizens with current secruity clearance
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