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L3Harris Technologies · Melbourne, AU

# Sr Spec, Sys Administration

Melbourne, AU Full-time Senior individual contributor {'@type': 'MonetaryAmount', 'currency': '', 'value': {'@type': 'QuantitativeValue', 'unitText': ''}} Administrative 

Listed on L3Harris Technologies’s official careers site. Posted October 29, 2026. Check that it is still open and apply there.
[Apply on L3Harris Technologies’s careers site →](https://careers.l3harris.com/en/job/melbourne/sr-spec-sys-administration/4832/102582282192)

[OpenNash Jobs](https://jobs.opennash.com/) / [L3Harris Technologies](https://jobs.opennash.com/companies/l3harris-technologies/) / Sr Spec, Sys Administration

## Job description

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 innovative 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 Cisco Hyperflex Professional Certifications (NetApp, Cisco, VMware, etc.) Knowledge of scripting and automation tools, such as Bash, PowerShell, Perl, and Ansible Experience with VDI solutions from vendors like Omnissa Horizon About L3Harris Australia L3Harris has provided advanced technology solutions to government and commercial customers across Australia for more than 25 years.

L3Harris has facilities in all major cities and employs over 500 people. L3Harris in Melbourne is the base for our Enterprise Network Modernisation Program (ENMP) for Airservices Australia. In partnership with Airservices, L3Harris will lead a consortium to plan and design an integrated, enterprise system to support all telecommunications, radio communications, ADS-B surveillance and network services for the National Airways System, including support for civil aviation, and aviation rescue and firefighting services.

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 Important to know Due to the nature of our work many our roles require an Australian citizenship and will require the successful candidate to successfully apply and hold an Australian Defence Security Clearance and/or be assessed to work with ITAR information.

Please answer the pre-screening questions upon applying for this assessment. For more information or a confidential discussion, please contact our Talent Acquisition team at recruitment@aus.L3Harris.com L3Harris respectfully requests no agency submissions at this time. As an equal opportunities employer, L3Harris is committed to the equal treatment of all current and prospective employees and does not condone discrimination on the basis of age, disability, sex, sexual orientation, pregnancy and maternity, race or ethnicity, religion or belief, gender identity, or marriage and civil partnership.

## At a glance
- Posted by the employer: Oct 29, 2026
- First seen by OpenNash: Nov 2, 2026
- Last checked: Nov 2, 2026
- Listed for: 4 days
- Location: Melbourne, AU
- Employment type: Full-time
- Pay: {'@type': 'MonetaryAmount', 'currency': '', 'value': {'@type': 'QuantitativeValue', 'unitText': ''}}[Apply on L3Harris Technologies’s careers site →](https://careers.l3harris.com/en/job/melbourne/sr-spec-sys-administration/4832/102582282192)

## Hiring at L3Harris Technologies
- Open jobs: 2,227
- New in the last 7 days: After two weekly collections
- Tracked since: Aug 21, 2026

[All L3Harris Technologies jobs](https://jobs.opennash.com/companies/l3harris-technologies/) · [Weekly hiring report](/reports/hiring/)

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