Systems Administrator (Systems Administrator 1)

HII's Mission Technologies division; City of Brisbane; On-site; AUD 53,000 - 75,000; Full time

Job summary

HII's Mission Technologies division in Virginia QLD is seeking a Systems Administrator I to support the Navy Integrated Training Environment (NITE) and the Global Service Desk. The role focuses on frontline IT support, access management, and maintaining system availability across secure networks in a fast-paced environment.

You will work with network, cybersecurity, and engineering teams to resolve incidents, fulfill service requests, and maintain continuity of operations in a 24/7 setting, with

Qualifications

• Experience delivering enterprise IT support in fast-paced environments.
• Familiarity with ITSM tools such as Jira and Confluence.
• Ability to manage user accounts and resolve incidents promptly.

Responsibilities

• Monitor and respond to tickets in ITSM queues to ensure timely support.
• Troubleshoot access, hardware, software, and connectivity issues across environments.
• Process account requests including creation, modification and deactivation.
• Escalate complex issues to Tier 2/3 and track to resolution.
• Support workstation imaging, deployment, and onboarding activities.
• Document troubleshooting steps and resolutions in knowledge bases.

Skills

Customer support

Troubleshooting

Account management

Tools

Jira

Confluence

Job description

Systems Administrator (Systems Administrator 1)

HII's Mission Technologies division – Virginia QLD

Employment Type:Full Time/Salaried/Exempt

Anticipated Salary Range:$53,144.00-$75,000.00

Security Clearance:Secret

Level of Experience:Entry Level

This opportunity resides with Global Security (GS). Mission Technologies’ Global Security (GS) group comprises live, virtual, constructive (LVC) solutions; fleet sustainment; nuclear and environmental; and Australia business.

As a trusted partner to our military customers, HII designs, develops and operates the largest LVC enterprise that prepares warfighters for cross-domain battle. With advanced technologies to enable mission readiness, HII understands that preparation requires full coordination—not readiness in piece-parts.

For more than 40 years, the U.S. Navy has entrusted HII to maintain and modernize the vast majority of its fleet. With a holistic approach to life-cycle maritime defense systems—from small watercraft to submarines, surface combatants and aircraft carriers—HII ensures a high state of readiness.

HII supports the Department of Energy’s national security mission through the management and operation of its sites, as well as the safe cleanup of legacy waste across the country. HII meets clients’ toughest nuclear and environmental challenges.

Leadership at HII is a mindset, not a title. Through our Leadership Capability Framework, we define how every employee grows, leads, and contributes—regardless of role. It sets the standard for how you can develop yourself and what you can expect from leaders across our organization. We look for candidates who want to grow in alignment with these capabilities:

• Know & Grow Your People– Commit to learning and supporting team success.
• Build Relationships– Communicate openly, collaborate well, and build trust.
• Take Ownership– Deliver on commitments and take pride in your work.
• Customer First– Focus on the mission and those we serve.
• Shape the Future– Bring ideas, curiosity, and continuous improvement.
• Act with Urgency– Take initiative and follow through with purpose.

These capabilities guide how all employees contribute to our shared success across Mission Technologies.

Job Description

The Navy Integrated Training Environment (NITE) System Administrator I supports daily operations of the Global Service Desk (GSD) and provides frontline technical support for enterprise IT systems across multiple secure network environments. This role is responsible for troubleshooting user issues, managing account access, and ensuring system availability in support of mission‑critical training and operational activities. The candidate works closely with internal teams, including network, cybersecurity, and engineering support, to resolve incidents, fulfill service requests, and maintain continuity of operations. Responsibilities include account management, workstation support, system imaging, and ensuring compliance with established security policies and procedures. This position operates in a fast‑paced, 24/7 environment and may require shift work, on‑call support, or participation in operational events.

• Monitor and manage ticket queues within Jira or equivalent ITSM tools to ensure timely response and resolution.
• Troubleshoot user issues related to access, hardware, software, and connectivity across multiple environments.
• Process account requests including creation, modification, and deactivation in accordance with security policies.
• Escalate complex or unresolved issues to Tier 2 and Tier 3 support teams and track through completion.
• Perform workstation imaging, setup, and deployment to support user onboarding and system readiness.
• Document troubleshooting steps, resolutions, and procedures in knowledge base systems such as Confluence.
• Support patching, software installation, and system updates as directed.