Senior Specialist, Systems AdministratorL3Harris 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.
Responsibilities include Data Centre administration, maintenance and management of capacity resources for servers and systems at the operating system and infrastructure levels.
The candidate will build, configure, troubleshoot and integrate new and existing servers to provide service enhancements, application deployments and infrastructure upgrades.
They will set up administrator and service accounts, maintain system documentation, tune system performance, install system-wide software, and allocate mass storage space.
The role involves recommending software and hardware enhancements, diagnosing and correcting issues, defining and implementing new services to maximize server uptime and availability for customers.
The Senior Specialist will monitor performance and system usage, contribute to the Disaster Recovery Plan (DRP), backup systems and disk configurations, and conduct system analysis and development to keep systems current with changing technologies.Key responsibilities: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 solutions4‐6 years of experience with Red Hat Linux Administration or Engineering, 4‐6 years of experience with Windows Administration or EngineeringConfigure, monitor, maintain,



troubleshoot VMWare and/or other virtualization technologies deployed at multiple locationsExperience in VM lifecycle management (snapshots)Perform system patching and upgrades to maintain security and regulatory complianceWork with adjacent Engineering teams and internal/external customers to translate requirements and objectives into final product designsSystem configuration experience with Enterprise Identity Management tools (LDAP, IPA, Active Directory, etc.)Lead efforts to field changes to production systems to a scheduleAddress and detect issues that impact projects and implement/develop course of action (COAs) to mitigate or alleviate the impact to projectsSupport critical operations during standard and occasional non‐standard working hoursExpertise with VMware vCenter Server or VMware certificationsPosition is performed 100% onsiteQualifications: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 experienceAbility to travel to Data Centre locations if remote accessibility is not possibleAbility to obtain an Australian Defence security clearance to Baseline and likely NV1Ability to develop detailed implementation documentationAbility to support on‐call rotations (as needed)Excellent interpersonal communications skills.




Transparent verbal and written skills are mandatory.Travel will be required within Australia to facilitate customer and partner coordination as well as support remote site auditsAdditional 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 AnsibleExperience with VDI solutions from vendors like Omnissa HorizonBenefits:An additional week of leave per annum plus the option to buy or sell up to 2 weeks additional annual leaveSalary continuance insurance (SCI pays 75% of your base salary and bonus for up to 2 years)Flexible working hours and patterns depending on locationDiscounted private health insuranceLife & Total Permanent Disability CoverNovated Car LeasingCompany supported professional development programsRetail Reward programsEmployment type: Permanent, Full‐time, 100% onsite.Location: Melbourne (can also cover other Australian cities as needed).
Key information for prospective candidates:Position requires 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.E‐E‐O Statement: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.
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📌 Bilingual Incident Management Engineer (Korean/English) (Melbourne)
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