Principal System Administrator

Principal System Administrator - Bluestaq Australia

Location: Brisbane or Canberra. Initially hybrid arrangement, then on-premises.

Our purpose is to deliver mission critical technology solutions tailored for the Australian defence, government and national security sectors. We specialise in high security data systems, designed to meet Australia's evolving strategic and operational demands.

If you are ready to turn your expertise into real world results, welcome to Bluestaq Australia. This is your opportunity to join a young but fast growing company in its formative years in Australia, building on our successful foundations in the United States.

About the Role

The Principal System Administrator will lead the design, deployment and maintenance of secure data management platform in defence environments. This role encompasses full system lifecycle management, user support and technical leadership to ensure secure, compliant and high performing IT operations in defence aligned environments.

Reporting directly to the President Bluestaq Australia, you will:

• Architect and maintain a resilient Linux server environment
• Administer Active Directory, Group Policy, identity and access management (IAM) and network configurations
• Configure and manage firewalls, routers and switches, including VLANs, DNS and IAM integration
• Lead ongoing system maintenance, software installation, configuration, integrated testing and troubleshooting
• Assist end users by addressing technical inquiries and resolving access or configuration issues
• Oversee patch management, configuration compliance, change control and vulnerability mitigation
• Implement system hardening in alignment with the ASD Essential Eight and conduct regular audits
• Liaise with internal teams and external stakeholders; provide technical updates and recommendations to leadership

About You

You must be willing to embrace our core values of Ownership, Curiosity, Talent and Trust and in addition have:

• Minimum 10 years of relevant experience in system administration or IT infrastructure
• Relevant tertiary qualification or equivalent knowledge gained through experience
• Proven expertise in Active Directory and Linux system administration
• Proficiency in scripting (e.g., PowerShell, Bash, Python)
• CCNA/CCNP certification or equivalent hands on networking experience
• Strong troubleshooting and analytical skills
• Demonstrated leadership experience managing or mentoring technical teams
• Willingness to travel, if required, to customer sites, partner facilities and other Bluestaq locations across Australia, including secure government or defence sites

You must also be an Australian citizen, eligible to obtain and maintain an Australian Government NV2 security clearance.

Your Benefits

• Attractive salary based on qualifications, experience and achievements
• Superannuation
• Annual performance bonus
• Private health cover allowance
• Health/wellness allowance
• Professional subscription
• Salary sacrifice and salary packaging options
• Additional 1 week of annual leave per year = 5 weeks per year
• Other leave in accordance with the National Employment Standards and state long service leave legislation

A Bit More About Us - Bluestaq - Where Innovation Powers Impact

At Bluestaq, we're more than a technology company. We're a team of innovators, problem solvers and defence aligned engineers dedicated to securing and enabling the nation's most sensitive data environments. Whether supporting sovereign defence capabilities, enabling secure cross agency collaboration or advancing Australia's digital resilience, we focus on engineering that drives outcomes.

Between 2019 and 2025, Bluestaq has been the proud recipient of many awards:

• Inc. Best Workplace
• Colorado Springs Gazette Best Workplaces
• Built in Colorado Best Places to Work
• Inc. Magazine's Fastest Growing Private Companies
• Chamber of Commerce New Business of the Year
• Emerging Tech Company of the Year

Join the Mission

If you're ready to engineer secure, sovereign capable technology, Bluestaq Australia offers you the chance to lead and innovate at the forefront of national defence and critical infrastructure. Together, we'll tackle high stakes challenges, protect Australia's most vital data and build what's next, securely, on-premises and at scale.

We are proud to be an Equal Opportunity Employer. We encourage applicants of all backgrounds, including Aboriginal and Torres Strait Islander peoples, people with disabilities, LGBTQIA+ and culturally diverse candidates.