6 results for Network Operations Engineer jobs

Network Engineer - OT / Network Segmentation

Sydney, New South Wales
remote
Contract/Temporary
700 - 850 AUD / Daily
<table width="680"><tbody><tr><td width="507">Network Engineer - OT / Network SegmentationContract: Initial 3 months with strong likelihood of extension Level: Mid-Senior Network Engineer Project: OT Network Segmentation ProgramThe OpportunityA large organisation is undertaking an OT network segmentation and modernisation program across multiple locations throughout Australia.An additional Network Engineer is being brought into the program to increase delivery capacity and support the continued rollout.You will take ownership of allocated locations and independently progress them through the full project lifecycle - from network discovery and remediation through to VLAN segmentation, implementation and migration. Further work is planned beyond the current program, creating a strong likelihood of extension beyond the initial 3-month engagement.Key Responsibilities:Network Discovery & Design<ul><li>Perform discovery of existing network and OT environments.</li><li>Identify assets currently connected to the network and understand existing network topology.</li><li>Review and validate existing network documentation and diagrams.</li><li>Identify gaps in network and asset documentation.</li><li>Work with operational and business stakeholders to validate the current environment.</li><li>Determine appropriate network segmentation requirements.</li><li>Create and update network diagrams and technical documentation.</li></ul>Network Remediation & Site Readiness<ul><li>Assess readiness ahead of network segmentation and migration.</li><li>Identify fibre, cabling, switching and infrastructure requirements.</li><li>Identify and address legacy network infrastructure.</li><li>Coordinate network remediation activities.</li><li>Work with internal teams and external vendors to prepare environments for implementation.</li></ul>Network Segmentation<ul><li>Design and implement VLANs and network segmentation.</li><li>Configure and troubleshoot Aruba and Cisco switching environments.</li><li>Work within Cisco Stratix industrial networking environments.</li><li>Prepare and configure switches prior to deployment.</li><li>Coordinate implementation activities with internal teams and external vendors.</li><li>Ensure network environments are ready for OT device migration.</li></ul>Implementation & Migration<ul><li>Execute network changes and migrations.</li><li>Migrate OT devices from legacy networks onto newly segmented networks and appropriate VLANs.</li><li>Troubleshoot connectivity and network issues throughout implementation.</li><li>Work closely with operational and OT teams during migration activities.</li><li>Coordinate with external vendors where required.</li><li>Validate connectivity and network operation following migration.</li></ul>Technical EnvironmentThe environment includes:<ul><li>Aruba switching - key requirement</li><li>Cisco networking</li><li>Cisco Stratix industrial switches</li><li>VLANs and network segmentation</li><li>OT / industrial networking</li><li>Manufacturing environments</li><li>Rockwell / Allen-Bradley</li><li>Siemens</li><li>PLCs, HMIs and SCADA environments</li></ul> About YouWe are looking for a mid-to-senior Network Engineer, ideally with 5+ years of networking experience, who can take ownership of allocated workstreams and operate independently.Essential Experience<ul><li>Strong hands-on Aruba switching experience.</li><li>Strong Cisco networking knowledge.</li><li>Strong VLAN and network segmentation experience.</li><li>Experience configuring and troubleshooting network switches.</li><li>Network discovery and remediation experience.</li><li>Network implementation and migration experience.</li><li>Ability to read, interpret and create network diagrams.</li><li>Strong network troubleshooting skills.</li><li>Ability to independently manage allocated workstreams.</li><li>Strong stakeholder and vendor coordination skills.</li><li>Exposure to Rockwell and Siemens environments.</li></ul> Highly Desirable<ul><li>Cisco Stratix experience.</li><li>Previous OT network segmentation projects.</li><li>Manufacturing or industrial networking experience.</li><li>Rockwell / Allen-Bradley exposure.</li><li>Siemens exposure.</li><li>Experience migrating industrial or OT devices between networks.</li><li>Exposure to PLC, HMI and SCADA environments.</li></ul> Why Consider This Contract?This is an opportunity to join a significant OT network transformation program where you will have genuine ownership of your work from initial discovery through to implementation.Deep experience across every OT technology is not essential. Strong Network Engineers with the right switching, segmentation and implementation experience will be considered, with knowledge transfer available around the existing OT environment.There is also strong potential for extension beyond the initial three months as the broader program continues. This is a hybrid position.</td></tr></tbody></table>By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice: <a href="https://www.roberthalf.com/au/en/privacy" target="_blank">https://www.roberthalf.com/au/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as government ID numbers, ethnicity, gender, religion, marital status or trade union membership) as we do not collect your sensitive personal data at this time. <img src="https://counter.adcourier.com/RW1pbGkuUGV0cnVzZXZpYy40NjMwMC4xMDY3NUByaGlhdXMuYXBsaXRyYWsuY29t.gif">
2026-08-18T07:30:15Z

Senior Level 3 Systems Engineer

West Perth, Western Australia
remote
Permanent placement
100000 - 110000 AUD / Yearly
<h2>Level 3 Systems Engineer | MSP | $100k-$110k + Super</h2><ul><li>$100k-$110k + super</li><li>Five weeks annual leave</li><li>Three paid technical certifications each year</li><li>Hands-on Level 3 role within an established Perth MSP</li><li>Clear opportunity to develop into technical leadership</li></ul>We're recruiting an experienced Level 3 Systems Engineer to join an established and growing Perth-based Managed Service Provider.You'll sit within the support team as a senior technical escalation point, taking ownership of complex issues that require strong troubleshooting across cloud, server and networking environments.This is a hands-on engineering role. You'll continue working directly with technology and clients while also providing technical guidance to Level 1 and Level 2 engineers.You don't need to be an existing Team Lead. We're looking for a strong MSP engineer who can solve difficult technical problems, take ownership of escalations and help other engineers when they get stuck.<h4> </h4><h4>What you'll be doing</h4><ul><li>Own complex Level 3 escalations across a varied MSP client base</li><li>Troubleshoot Microsoft 365, Azure and hybrid cloud environments</li><li>Support Windows Server, Active Directory, Entra ID and Intune</li><li>Troubleshoot networking issues across switching, routing, DNS, DHCP, VPNs and firewalls</li><li>Work across technologies including Fortinet, Cisco Meraki and UniFi</li><li>Investigate recurring problems and perform root cause analysis</li><li>Provide technical guidance and mentoring to Level 1 and Level 2 engineers</li><li>Work directly with clients on complex technical issues</li><li>Improve technical documentation and knowledge sharing</li><li>Identify opportunities to improve processes and automate repetitive tasks</li><li>Work with third-party vendors where required to resolve escalated issues</li><li>Participate in the senior engineering on-call roster</li></ul> Technical environment: You'll work across a broad range of technologies including:Microsoft: Microsoft 365, Azure, Entra ID, Intune, Microsoft Defender, Windows Server and Active DirectoryNetworking: Fortinet, Cisco Meraki, UniFi, firewalls, switching, routing, wireless and VPNsInfrastructure: VMware, Hyper-V, Veeam and DattoManagement & Automation: HaloPSA, NinjaRMM and PowerShell<h4> </h4> <h4>What we're looking for</h4>Previous experience working within a Managed Service Provider is essential.You'll ideally bring:<ul><li>Strong Level 3 or Senior Systems Engineer experience</li><li>Strong Microsoft 365 and Azure knowledge</li><li>Windows Server and Active Directory experience</li><li>Experience with Entra ID and Intune</li><li>Strong networking fundamentals across TCP/IP, DNS, DHCP, VPNs, switching and firewalls</li><li>Strong troubleshooting skills across cloud and on-premises infrastructure</li><li>Experience working directly with clients and managing technical escalations</li><li>The ability to troubleshoot issues independently and take ownership through to resolution</li><li>Experience mentoring or providing technical guidance to other engineers</li><li>Strong communication and documentation skills</li><li>Experience with PowerShell, Fortinet, Cisco Meraki, UniFi, VMware, Hyper-V, Veeam, Datto, HaloPSA or NinjaRMM would be beneficial but isn't essential.</li></ul><h4> </h4><h4>What's on offer</h4>This is a strong opportunity for an experienced MSP engineer who wants more technical ownership without moving away from hands-on engineering.You'll receive:<ul><li>$100k-$110k + superannuation</li><li>Five weeks annual leave</li><li>Three paid certifications each year</li><li>Ongoing technical training and professional development</li><li>Exposure to a broad MSP technology environment</li><li>Opportunity to mentor other engineers and develop leadership experience</li><li>Long-term progression within a growing Perth technology business</li></ul> If you're currently working as a Level 3 or Senior Systems Engineer within an MSP and looking for your next move, we'd be keen to speak with you.Apply today or contact Dara Boland at Robert Half Technology for a confidential discussion.By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice: <a href="https://www.roberthalf.com/au/en/privacy" target="_blank">https://www.roberthalf.com/au/en/privacy.</a> Please do not submit any sensitive personal data to us in your resume (such as government ID numbers, ethnicity, gender, religion, marital status or trade union membership) as we do not collect your sensitive personal data at this time.<img src="https://counter.adcourier.com/RGFyYS5Cb2xhbmQuMjM5NjMuMTA2NzVAcmhpYXVzLmFwbGl0cmFrLmNvbQ.gif">
2026-08-17T08:45:40Z

Mining Finance Contract Opportunities | Perth

Perth CBD, Western Australia
remote
Contract/Temporary
55 - 70 AUD / Hourly
Mining Finance Contract Opportunities | PerthThe new financial year is driving increased hiring activity across Perth's Mining & Mining Services sector, with many organisations strengthening their finance teams to support operational demands, projects and business growth. I'm currently recruiting for a range of contract and temporary finance opportunities, while also building a network of experienced professionals interested in future assignments as they become available.I'm particularly interested in speaking with professionals across the following disciplines:<ul><li>FP&A Analysts & Controllers</li><li>Mining Accountants</li><li>Management Accountants</li><li>Finance Business Partners</li></ul>I'm seeing strong demand for professionals with experience across:<ul><li>Financial planning, budgeting and forecasting</li><li>Management reporting and commercial analysis</li><li>Business partnering with operational and site-based stakeholders</li><li>Mining cost analysis and operational finance support</li><li>Financial reporting and compliance</li><li>Month end and year end close processes</li><li>Process improvement and systems implementation</li><li>ERP systems, reporting tools and financial modelling</li><li>Stakeholder engagement across finance and operations</li></ul>Opportunities are available across a range of organisations, including:<ul><li>Mining Producers</li><li>Mining Services & Contractors</li><li>Engineering & Project Services</li><li>Processing & Operational Support Businesses</li><li>Mid-tier and ASX-listed organisations</li></ul>Whether you're actively looking for your next contract or temporary assignment, or simply interested in understanding what's happening across Perth's Mining & Mining Services market, I'd be happy to have a confidential conversation about current opportunities and what employers are prioritising.If you're considering your next move, apply now or get in touch for a confidential discussion.Robert Half Ltd is committed to equal opportunity and we value diversity at our company. We do not discriminate on the basis of categories protected under local law.Please send your resume by clicking on the apply button. Reference Number: (60090-0013480781) This is an on-site position.By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice: <a href="https://www.roberthalf.com/au/en/privacy" target="_blank">https://www.roberthalf.com/au/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as government ID numbers, ethnicity, gender, religion, marital status or trade union membership) as we do not collect your sensitive personal data at this time.<img src="https://counter.adcourier.com/c2hlYW11cy5ieXJuZS43MzIxNi4xMDY3NUByaGlhdXMuYXBsaXRyYWsuY29t.gif">
2026-08-03T02:40:51Z

Systems Administrator

North Melbourne, Victoria
remote
Contract/Temporary
500 - 500 AUD / Daily
The CompanyOur client is a well-known and respected community organsation are looking for someone to join their team on a 4 month contract. You will be working directly within the Infrastructure team. The RoleAs a Systems Administrator you will demonstrate a strong ability to manage and remediate infrastructure services. You will provide exceptional technical expertise around Windows Servers with a focus on remediation work. Above all you be dedicated to providing a professional approach to operations. Your Skills & Experience<ul><li>Excellent understanding of VMware</li><li>Strong experience with Windows Servers</li><li>SOE for Applications</li><li>Ability to problem solve and troubleshoot</li><li>A self-starter who values teamwork.</li><li>Exceptional communication skills.</li></ul> About youYou are a "people person" who can comfortably explain complex IT solutions to customers without an IT background. Combine this with your brilliant technical insights and previous experience with complex environments, and you are the perfect package our client is looking for. What's on offer?<ul><li>A fast-paced environment with an inclusive and diverse culture coupled with an awesome team spirit.</li><li>A rare opportunity to work with a high performing team</li></ul> Robert Half Ltd is committed to equal opportunity and we value diversity at our company. We do not discriminate on the basis of categories protected under local law. Job Ref number: <table><tbody><tr id="tr_jobref"><td>06810-0013354310</td></tr></tbody></table>By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice: <a href="https://www.roberthalf.com/au/en/privacy" target="_blank">https://www.roberthalf.com/au/en/privacy</a>. Please do not submit any sensitive personal data to us in your resume (such as government ID numbers, ethnicity, gender, religion, marital status or trade union membership) as we do not collect your sensitive personal data at this time. <img src="https://counter.adcourier.com/YWFyb24uc3RhdW50b24uMzc2MTIuMTA2NzVAcmhpYXVzLmFwbGl0cmFrLmNvbQ.gif">
2026-08-03T00:48:28Z

Systems Administrator | Up to $95k + super

Chermside, Queensland
remote
Permanent placement
85000 - 95000 AUD / Yearly
Robert Half is exclusively engaged with a reputable, Australian-owned organization looking to expand its IT department with the addition of a Systems Administrator. In this role, you'll be working across the entire technology stack of the organization, supporting both project and BAU requirements.The Systems Administrator plays a key role in keeping the technical environment secure, stable and running smoothly. Working closely with the IT Manager and Senior Systems Administrator, you'll troubleshoot and resolve Level 3 escalations and tickets, monitor systems and networks, and escalate complex issues when needed.This is a great opportunity to build your technical expertise while working with enterprise-grade systems and technology.Key Responsibilities:<ul><li>Manage and support the administration and maintenance of IT infrastructure, including performing regular health checks, patching, basic upgrades, and routine maintenance tasks.</li><li>Respond to and troubleshoot technical issues raised to the Level 3 service queue, ensuring operational stability while escalating more complex issues to senior staff when necessary.</li><li>Participate in and support continuous improvement efforts to maintain stable, scalable, and secure IT systems.</li><li>Learn and assist with backups, disaster recovery processes, and performance monitoring tasks as part of building a solid foundational knowledge of system administration.</li><li>Maintain comprehensive documentation of IT systems, configurations, processes, and resolutions to promote operational continuity and team knowledge sharing.</li><li>Provide on call technical support when required.</li></ul>Key Requirements:<ul><li>Exposure to some of the following: VMware, Windows Server, Citrix, M365, FortiGate, Aruba, Active Directory, DNS, and DHCP.</li><li>Demonstrated ability to learn and adapt quickly to complex environments.</li><li>Exposure to system administration tasks such as configuration and routine troubleshooting, with eagerness to further develop technical expertise.</li><li>Strong problem-solving and communication skills to contribute effectively to team collaboration and project efforts.</li><li>Understanding of IT operational requirements for production environments, including the importance of service continuity, disaster recovery, and proactive monitoring.</li></ul>Key Benefits:<ul><li>Stable environment with a strong team culture and high tenure.</li><li>Gain hands-on exposure to system design, deployments, and infrastructure projects, gradually increasing involvement in project-oriented tasks.</li><li>Career growth opportunities within an expanding organization.</li><li>Collaborative culture where you can be involved in decision making.</li></ul>Apply Today:To apply, please submit your CV via the 'Apply' button. If you'd like to discuss the opportunity in confidence, please contact Sophia Jones at [email protected].By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice: <a href="https://www.roberthalf.com/au/en/privacy" target="_blank">https://www.roberthalf.com/au/en/privacy.</a> Please do not submit any sensitive personal data to us in your resume (such as government ID numbers, ethnicity, gender, religion, marital status or trade union membership) as we do not collect your sensitive personal data at this time.<img src="https://counter.adcourier.com/c29waGlhLmpvbmVzLjc4NTY1LjEwNjc1QHJoaWF1cy5hcGxpdHJhay5jb20.gif">
2026-08-18T23:46:31Z

Administrator - Part Time

Bentleigh, Victoria
remote
Permanent placement
65000 - 70000 AUD / Yearly
The CompanyOur client is a fast-scaling, high growth business in the private healthcare sector. The Role<ul><li>Review and co-ordination of training material</li><li>Organisation of courses and events</li><li>Reception duties - meeting and greeting clients, couriers and deliveries</li><li>Ordering of stationary and other office supplies</li><li>Answering phone calls and attending to emails</li><li>Assisting with Accounts Payable and Receivables</li><li>Travel/Event space organisation</li></ul> Your ProfileYou will be an experienced Administrator with very strong organisational skills and a really keen eye for detail.You will enjoy a hands-on role working across the business and working with lots of different people.Solid working experience in MS Word and Excel. What's on Offer<ul><li>Work in a supportive and collaborative environment with an amazing company that is growing and thriving</li><li>Convenient South-East location with parking nearby</li><li>9 a.m. - 3 p.m. Monday - Friday</li><li>$70K pro-rata</li></ul> Reference Number: 06830-0013495226CG This is a onsite positionBy clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice: <a href="https://www.roberthalf.com/au/en/privacy" target="_blank">https://www.roberthalf.com/au/en/privacy.</a> Please do not submit any sensitive personal data to us in your resume (such as government ID numbers, ethnicity, gender, religion, marital status or trade union membership) as we do not collect your sensitive personal data at this time.<img src="https://counter.adcourier.com/Y2Fyb2xpbmUuZ3V0aHJpZS41OTYyNi4xMDY3NUByaGlhdXMuYXBsaXRyYWsuY29t.gif">
2026-08-26T04:29:40Z