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 is the Trusted Disruptor in defense tech. 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 the role L3Harris is seeking an experienced

Senior Specialist, Systems Administrator

to support our Australia-based Managed Services program, who will be a key member of the production team supporting Airservices Australia. Responsible for Data Centre administration, maintenance and management of capacity resources for servers and systems at the operating system and infrastructure levels. Builds, configures, troubleshoots and integrate new and existing servers to provide service enhancements, application deployments and infrastructure upgrades. Sets up administrator and service account, maintains system documentation, tunes system performance, installs system-wide software, and allocates mass storage space. Recommend software and hardware enhancements, diagnoses and corrects issues, defines and implements new services with the goal of achieving maximum server uptime and availability for the customers. Responsible for monitoring performance and system usage. Contributes to the Disaster Recovery Plan (DRP),



backup systems and disk configurations. Conducts system analysis and development to keep systems current with changing technologies.

This is an opportunity to take on unique challenges, expand your skillset and experience, and significantly contribute to an enterprise network modernization initiative that will make a significant impact to Australia’s air traffic management for the flying public. You will join a team of talented professionals who take a collaborative, are passionate about the mission, and take pride in what we deliver every day. We are a company on the move with more than five decades of cutting-edge and exceptional performance; we have earned our place as a trusted provider to our customers.

What the role will involve

Configure and maintain multiple enterprise-level Data Centre environments consisting of Cisco UCS Blades and NetApp AFF/FAS controllers or experience with VMWare vSAN and Cohesity backup solutions

4-6 years of experience with Red Hat Linux Administration or Engineering, 4-6 years of experience with Windows Administration or Engineering

Configure, monitor, maintain, troubleshoot VMWare and/or other virtualization technologies deployed at multiple locations

Experience in VM lifecycle management (snapshots)

Perform system patching and upgrades to maintain security and regulatory compliance





Work with adjacent Engineering teams and internal/external customers to translate requirements and objectives into final product designs

System configuration experience with Enterprise Identity Management tools (LDAP, IPA, Active Directory, etc.)

Leads efforts to field changes to production systems to a schedule

Address and detect issues that impact projects and implement/develop course of action (COAs) to mitigate or alleviate the impact to projects

Support critical operations during standard and occasional non-standard working hours

Expertise with VMware vCenter Server or VMware certifications

This position is performed 100% onsite

Qualifications

Education: Bachelor’s degree in computer engineering, Computer Science, IT Security or related field, and a minimum of 6 years related experience, or;

Master’s degree in computer engineering, Computer Science, IT Security or related field, and a minimum of 4 years related experience.

Ability to travel to Data Centre locations if remote accessibility is not possible

Ability to obtain an Australian Defence security clearance to Baseline and likely NV1

Ability to develop detailed implementation documentation

Ability to support on-call rotations (as needed)

Must have excellent interpersonal communications skills. Clear verbal and written skills are mandatory.

Travel will be required within Australia to facilitate customer and partner coordination as well as support remote site audits.

Additional Preferred Skills

Experience with the following: NetApp FAS/AFF Storage Controllers

Cisco UCS (Blade and Rackmount Servers)

VMware virtualization technologies

📌 Sr Spec, Sys Administration (Melbourne)
🏢 L3Harris Technologies
📍 Melbourne