[Skip to main content](#main-content) [ OpenNash ](https://opennash.com/) / [Jobs](https://jobs.opennash.com/) [ 01 Search jobs](https://jobs.opennash.com/search/)[ 02 Companies](https://jobs.opennash.com/explore/)[ 03 Hiring report](https://jobs.opennash.com/reports/hiring/)[ 04 AI assistants](https://jobs.opennash.com/connect/)[ 05 How it works](https://jobs.opennash.com/methodology/) L3Harris Technologies · Melbourne, AU # Specialist, Sys Administration 1 Melbourne, AU Full-time {'@type': 'MonetaryAmount', 'currency': '', 'value': {'@type': 'QuantitativeValue', 'unitText': ''}} Administrative Listed on L3Harris Technologies’s official careers site. Posted October 27, 2026. Check that it is still open and apply there. [Apply on L3Harris Technologies’s careers site →](https://careers.l3harris.com/en/job/melbourne/specialist-sys-administration-1/4832/102496156320) [OpenNash Jobs](https://jobs.opennash.com/) / [L3Harris Technologies](https://jobs.opennash.com/companies/l3harris-technologies/) / Specialist, Sys Administration 1 ## 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 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 Managing IP network management COTS solutions on Windows and Linux virtual servers running within a virtualized environment. Deploying, configuring, and integrating COTS solutions such as ServiceNow, Splunk, Riverbed, Infoblox, etc. Designing and implementing new enterprise systems to meet emerging program requirements. Working with other engineering groups to maintain, enhance, and resolve issues within the IP NMS systems, servers, and applications. Interacting directly with vendors for issue resolution. ### Qualifications Bachelor’s degree in computer engineering, Information Technology/Computer Information Systems or Computer Science with a Networking focus, and 4+years of experience. In lieu of a degree, minimum of 8 years of prior related experience Ability to develop detailed implementation documentation Ability to impart knowledge and train others. Ability to obtain AGSVA Security Clearance to baseline and likely NV1. Ability to support on-call responsibilities and work after hours as required. Experience with: Network monitoring protocols/methods such as SNMP, NetFlow, and Syslog. Implementation/Administration of Network Management Systems (Splunk, ServiceNow, Riverbed, IPAM, Infoblox, Grafana). Networking principles and systems functionality, with the ability to troubleshoot OSI layers 1-7 throughout a COTS environment. Linux OS (RHEL/CentOS) and Microsoft Windows OS. ### Preferred Additional Skills Experience adhering to deadlines and complete tasks on schedule. Work well in a diverse team environment and with customers. Knowledge of scripting using shell, PHP, bash, and/or similar scripting languages. Experience with Agile software development and the systems engineering lifecycle. Knowledge of Web Services APIs, Perl/Python scripting, Bash, Ansible. Preferred Certifications – Splunk, Cisco CCNA, CCNP; VMware VCA, VCP; NetApp NCDA, NCIE; RedHat RHCSA; Windows MCSA. 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. This position requires a successful Airservices background check. The candidate must be able to undergo and obtain Australian Defence security clearance to baseline and likely NV1. 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 27, 2026 - First seen by OpenNash: Nov 2, 2026 - Last checked: Nov 2, 2026 - Listed for: 6 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/specialist-sys-administration-1/4832/102496156320) ## 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/) ## More jobs at L3Harris Technologies ### [Sr Spec, Sys Administration](https://jobs.opennash.com/companies/l3harris-technologies/jobs/f056b1336199b440d7ba/) Melbourne, AU ### [Administration C - TS/SCI with Poly](https://jobs.opennash.com/companies/l3harris-technologies/jobs/94933addb77148df09b3/) Palm Bay, FL, US ### [Contract Administrator](https://jobs.opennash.com/companies/l3harris-technologies/jobs/efcc588a9457174e60d9/) ### [Executive Administrative Assistant](https://jobs.opennash.com/companies/l3harris-technologies/jobs/07c1ac7a2e9402ca5b97/) Salt Lake City, UT ### [Executive Assistant](https://jobs.opennash.com/companies/l3harris-technologies/jobs/bca8aa5f0e10cd33a035/) Tewkesbury, ENG, GB ## Similar jobs at other companies ### [Sr Tech/Sort Sys](https://jobs.opennash.com/companies/fedex/jobs/feb38118326a39f0f0e0/) FedEx ### [AWS IaaS Sys Admin](https://jobs.opennash.com/companies/accenture/jobs/6f369be5431ddc46beb4/) Accenture ### [Tech/Sort Sys (Multi Level)](https://jobs.opennash.com/companies/fedex/jobs/aa445a767a1991b8d126/) FedEx ### [Sr Appl/Sys Sales Engineer](https://jobs.opennash.com/companies/honeywell-international/jobs/7d70f4c6fcca085fb04a/) Honeywell International · Shanghai, China ### [Business Sys. Analysis Senior Associate](https://jobs.opennash.com/companies/ntt/jobs/d56da4827ee8bce9178b/) NTT · Chennai, TN, IN, India OpenNash lists jobs from employers’ own careers sites and does not handle applications. Dates come from the employer where stated; “first seen” and “last checked” are our own observations. [ OpenNash ](https://opennash.com/) AI-native services firm that builds custom software and 24/7 AI agents. OpenNash Jobs is an OpenNash Applied AI project. 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