Senior Specialist, Systems Administrator

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. 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 recent 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 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.)
- Lead 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
- 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)
- 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

Benefits:

- 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

Employment type: Permanent, Full‑time, 100% onsite.

Location: Melbourne (can also cover other Australian cities as needed).

Important 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.

#J-18808-Ljbffr

📌 Bilingual Incident Management Engineer (Korean/English) (Melbourne)
🏢 Amazon Web Services (AWS)
📍 Melbourne