IT Systems & Infrastructure Engineer

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers mission and quest for professional growth. L3Harris provides an inclusive engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values dedication to our communities and commitment to excellence in everything we do.

L3Harris Technologies is the Trusted Disruptor in the defense industry. With customers mission-critical needs always in mind our employees deliver end-to-end technology solutions connecting the space air land sea and cyber domains in the interest of national security.

About us

L3Harris Trenchant is an elite global team of engineers and security researchers charged with building world-class computer security products. Trenchants expertise is the by-product of the L3Harris acquisition of two highly-regarded information security businesses Azimuth Security and Linchpin Labs. United under Trenchant we are a key component of L3Harris Intelligence & Cyber Division. We are a trusted discrete partner furnishing security products consultancy training and integration services to allied security defence and law enforcement agencies.

About the role

As part of the Global IT Operations team youll play a key role in strengthening and modernizing our core IT services across the region. Youll work across systems networks cloud platforms and automation tools to deliver secure reliable and high-quality services for a highly technical global workforce.

In this role youll help improve operational maturity enhance service quality and foster a culture of continuous improvement and accountability. Joining during an exciting growth phase youll contribute to stronger governance greater trust and a solid IT foundation as we expand our team and infrastructure.

Youll support a talented global workforce of around 150 engineers and researchers and may act as the primary technical contact for your site or collaborate closely with peers in a shared-responsibility model.

What the role will involve

The responsibilities of your role will include the following:

• Align IT services with global standards and ensure stable reliable infrastructure.
• Resolve issues promptly and communicate clearly for a positive user experience.
• Take ownership of problems and improve systems processes and service quality.
• Collaborate effectively with colleagues across regions and share knowledge.
• Enhance security and resilience through disciplined patching and monitoring.
• Operate and maintain regional and global infrastructure services including servers networks virtualization platforms storage systems and cloud environments.
• Diagnose and resolve complex technical issues.
• Deploy configure and maintain Linux servers and containerized workloads.
• Support and improve network infrastructure including routing switching firewalls VPNs and site-to-site connectivity.
• Automate infrastructure provisioning and management using tools such as Ansible Terraform Python and Bash.
• Support cloud-based services particularly AWS.
• Assist in the deployment and maintenance of developer tooling.
• Participate in incident response and serve as an escalation point for complex issues.
• Monitor system health and performance using tools such as Prometheus Grafana and SNMP.
• Enhance infrastructure security through hardening patching and vulnerability remediation.

What youll bring

To succeed in this role youll need the following experience and skills:

• Proficient in Linux system administration Juniper JunOS Cisco IOS pfSense firewalls and VMware vSphere.
• Strong problem-solving and analytical skills.
• Hands-on experience with networking containerization and cloud platforms.
• Eligible to obtain a security clearance (current clearance highly regarded).
• Familiar with automation tools and security best practices.
• Excellent communication and organizational abilities.
• Bachelors degree in a relevant field and 5 years of experience in systems network or infrastructure engineering.
• Experience supporting technical or engineering teams.

A few of our employee benefits are:

• An additional week of leave per annum plus the option to buy or sell up to 2 weeks additional annual leave.
• Salary continuance insurance (SCI pays 75% of your base salary and bonus for up to 2 years)
• Flexible working hours and patterns depending on location
• Discounted private health insurance
• Life & Total Permanent Disability Cover
• Novated Car Leasing
• Company supported professional development programs
• Retail Reward programs

Want to explore further

For more information or a confidential discussion please contact our Talent Acquisition team by emailon

L3Harris respectfully requests no agency submissions at this time.

All applicants must have or be eligible to obtain an Australian Defence Security Clearance.

Eligibility and clearance process information can be found at;