What You'll Do

- Identify infrastructure constraints, risks, capacity limitations and asset lifecycle requirements across Optus Technical Facilities, contributing to investment strategies and Annual Operating Plan development.
- Oversee and govern engineering solutions, technical scopes, specifications, standards and design requirements across mechanical, electrical, fire protection, hydraulic, structural and BMS disciplines
- Review consultant, contractor and vendor designs to ensure compliance with Optus Engineering Standards, Australian Standards, statutory requirements and industry best practice.
- Develop project scopes, cost estimates, risk assessments, business cases and delivery strategies that balance operational risk, cost, schedule and service continuity.
- Lead procurement activities, including tender documentation, scope packages, vendor engagement, technical bid evaluations, contractor recommendations and commercial efficiencies.
- Manage capital expenditure programmes typically ranging from $2 million to $10 million, including budgets, forecasting, expenditure and financial reporting.
- Lead critical infrastructure projects from award through construction, commissioning and handover across live operational telecommunications environments.
- Manage contractors, consultants and vendors to ensure safe, compliant and high-quality delivery against programmes, budgets, milestones and operational requirements.
- Oversee construction planning, staging, site inspections, audits, toolbox meetings, permit systems and resolution of technical issues, defects, non-conformances and delivery risks.
- Protect continuity of critical services throughout construction and ensure compliance with WHS obligations,



construction regulations and operational readiness requirements.
- Manage commissioning, integrated systems testing and operational handover, including FAT and SAT documentation, asset registration, training, as-built drawings, O&M; manuals and defect rectification plans.
- Maintain effective contractor and supplier relationships, support audit and regulatory compliance activities, and escalat…

What You Bring

- A degree in Engineering, Construction Management or a related discipline.
- 10-15 years' experience delivering critical facility infrastructure projects, ideally across data centres, telecommunications facilities, mission-critical environments or major infrastructure projects.
- Proven experience in construction delivery, project management and contractor governance across complex, live operational environments.
- Strong technical understanding of mechanical systems, electrical systems, fire protection systems, BMS and controls, and critical facility infrastructure.
- Solid commercial acumen, with experience managing CAPEX programmes, procurement activities, project budgets, cost estimates and cashflow forecasts.
- Detailed knowledge of Australian Standards, the Building Code of Australia and WHS legislation, with a strong focus on compliance, safety and operational resilience.
- Proven ability to develop business cases,



secure funding approvals, prepare technical specifications and scopes of work, and produce tender documentation.
- Experience with telecommunications infrastructure, data centre design and operations, critical power systems, DC infrastructure, national capital works programmes or asset lifecycle planning is desirable.
- Project Management certification such as PMP, PRINCE2 or equivalent is desirable.
- Customer-focused, organised and self-disciplined, with clear written and oral communication skills and the ability to build effective working relationships.
- Demonstrated leadership, ownership and teamwork, with the ability to influence Engineering, Operations, Procurement, contractors, suppliers and other delivery partners.

The good stuff

- Competitive remuneration and employee discounts. Make life easier (and more affordable) with $80 monthly credit and 25% off Optus products and unique shopping discounts with our retail partners.
- Flexible working arrangements with opportunities to work three days in the office, two days remote or home.
- Competitive leave policies, including additional 'Connected' days to focus on culture, family, health, community, or whatever's important to you.
- We support growing families with inclusive, carer-neutral paid Parental Leave of up to 16 weeks.
- Build meaningful connections through employee-led networks and diversity initiatives including Culture Connect, Elevate Women, Disability Network and Express Yourself (LGBTQIA+).
- Put your wellbeing first with free access to counselling and support services, 24/7 - in-person, by phone, SMS, or video.

At Optus, we are strengthened by others a

📌 Senior Technical Specialist, Mechanical (Sydney)
🏢 Optus
📍 Sydney