Amentum is a leader in global engineering, project management and solutions integration, trusted to modernise the most critical missions anywhere in the world. Driven to create a safer, smarter, cleaner world, we innovate as a team of inventive doers passionate about making a difference. Underpinned by a strong culture of ethics, safety and inclusivity. Amentum is fiercely committed to operational excellence and successful execution. 

Are you seeking a career that offers a healthy work-life balance, a friendly company culture, and engagement with a supportive community? 

We’ll inspire and empower you to deliver your best work so you can evolve, grow and succeed – today and into tomorrow.  We offer an exciting range of opportunities to develop your career within a supportive and diverse team who always strive to do the right thing for our people, clients and communities. 

People are our greatest asset, and we offer a competitive package to retain and attract the best talent.  

Our values stand on a foundation of safety, integrity, inclusion and diversity. We put people at the heart of our business, and we genuinely believe that we all succeed by supporting one another through our culture of caring. We value positive mental health and a sense of belonging for all employees.  

Amentum is proud to be an Equal Opportunity Employer, please refer to our Enterprise Agreement and www.fairwork.gov.au for more information.

Role description:

Seeking an NV2 cleared Infrastructure Systems Administrator, you will play a critical role in ensuring the stability, security and performance of the Fleet Battle Lab System. You will work across Windows, Linux, virtualisation and network environments, supporting highly available, secure infrastructure in line with Defence cyber standards.

This role suits an experienced administrator who enjoys working in complex technical environments, collaborating with stakeholders, and contributing to a high performing operational team.

• Responsible for the stability, security, efficiency, and scalability of the Fleet Battle Lab System;
• Administer and maintain Windows Server (2022) and Red Hat Enterprise Linux 8 systems.
• Manage Active Directory, Group Policy, DNS, DHCP, and system security/hardening.
• Configure, support, and optimize Hyper-V and VMware virtualization environments.
• Manage Veeam Backup & Replication, including testing and disaster recovery planning.
• Configure, monitor, and troubleshoot Cisco switches/routers and FortiGate firewalls.
• Support LAN, WAN and VPN infrastructure with a focus on uptime and security.
• Assist with the integration of simulation systems using simulation architecture;
• Ensure that systems are maintained in accordance with current cyber standards;
• Monitor system and network performance, applying patches, updates, and hotfixes.
• Automate administration tasks using PowerShell and Bash scripting.
• Provide Tier 2/3 support, troubleshoot incidents, and document solutions.
• Collaborate with vendors and key stakeholders on incidents, issues, resolutions, and ongoing support, following change management processes.
• Maintain and update documentation for all operational and new ICT systems, services, and processes to support effective management.
• Contribute to a collaborative, high-performing team culture, supporting cohesion and operational excellence.

Essential requirements:

• Minimum 5 years’ experience in systems administration within medium to large IT environments
• Tertiary qualifications in IT, or equivalent industry certifications, such as: Microsoft Certified: Windows Server Administrator, RHCSA / RHCE, VMware Certified Professional (VCP), Cisco CCNA / CCNP, Fortinet NSE (4 or higher), Veeam Certified Engineer (VMCE), CompTIA Security+ or Network+
• Strong experience administering Windows Server and/or Linux (RHEL) systems
• Hands on experience with Hyper V, VMware and Veeam Backup & Replication
• Strong knowledge of Active Directory, DNS, DHCP and Group Policy
• Proven experience with Cisco networking and FortiGate firewalls, including VLANs, routing, VPNs and multicast
• Solid understanding of networking concepts: TCP/IP, routing, switching and VPNs
• NV2 Active clearance Certificate IV, Diploma, Graduate Certificate or Graduate Diploma in an IT discipline; or
• Industry certifications such as:
• Microsoft Certified: Windows Server Administrator
• Red Hat Certified System Administrator (RHCSA) or Engineer (RHCE)
• VMware Certified Professional (VCP)
• Cisco CCNA/CCNP
• Fortinet NSE certification (NSE 4 or higher)
• Veeam Certified Engineer (VMCE)
• CompTIA Security+ or Network+

Desirable:

• Ex serving Defence member with an IT or Combat Systems Operations background
• Exposure to C4I systems such as Link 16 or GCCS and strong proficiency in PowerShell and Bash for automation and system management

Require security clearance level: NV2

Location: Navy Fleet Battle Labs, Garden Island Sydney, NSW. In location support is required to support integrated team operations. Flexibility of Working from home, dependant on tasking requirements.

Weekly hours: Monday-Friday, 40 hours per week

Compensation Details:

The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws.

Benefits Overview:

Our health and welfare benefits are designed to support you and your priorities. Offerings include:

• Health, dental, and vision insurance

• Paid time off and holidays

• Retirement benefits (including 401(k) matching)

• Educational reimbursement

• Parental leave

• Employee stock purchase plan

• Tax-saving options

• Disability and life insurance

• Pet insurance

Note: Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits.

Original Posting:

Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting. This timeline may change based on business needs.

Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed,  marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal laws and supplemental language at Labor Laws Posters.