Senior Operational Architect

Singtel; Canberra; On-site; Confidential; Full time

Benefits offered by this job

Competitive remuneration and employee/

Employee discounts

Parental Leave

La Trobe & Macquarie U micro-credits

Job summary

Optus is seeking a Senior Operational Architect to provide expert technical leadership and ensure architectural integrity across key accounts, especially in Financial Services and Federal Government sectors. You will design, review, and support complex solutions, costing, and change requests while mentoring a team of specialists across networking, cloud, and customer experience technologies.

Your day-to-day includes guiding architecture governance, leading strategic advisory with executive

Qualifications

• 7+ years in ICT senior architecture roles.
• 3+ years in pre-sales or embedded architecture roles.
• Experience with enterprise and executive stakeholders.
• Deep knowledge across data networking, security, cloud.
• Ability to design bills of materials, proposals, change requests.
• Mentor teams across networking, cloud, and customer experience.

Responsibilities

• Provide architectural leadership and governance across complex networks and managed services.
• Lead customer engagement and strategic advisory with executive stakeholders.
• Design end-to-end solutions including networking, voice, cloud, cyber, and managed services.
• Drive pre-sales and business growth with Sales; develop value-based solutions.
• Mentor architects and delivery teams; assist with Level 3 escalations.
• Foster internal partnerships to deliver commercial outcomes and revenue growth.

Skills

Senior architecture

Data networking

Security

Cloud

Operational tools

Leadership

Pre-sales

Stakeholder mgmt

Mentoring

Vendor management

Education

Tertiary IT/Engineering degree

Industry certifications (Cisco, Juniper, Microsoft)

Tools

Cisco

Juniper

Microsoft

Job description

Optus is an Australian telecommunications company, delivering more than 11 million services to our customers every day across mobile, broadband and digital solutions.

The Senior Operational Architect provides expert technical leadership and ensuring architectural integrity for key customer accounts, particularly within Financial Services and Federal Government sectors. The role is responsible for designing, reviewing, and supporting complex technical solutions, customer proposals, bills of materials, and change requests, while coordinating architectural inputs throughout the solution lifecycle. Additionally the suitable candidate mentors a team of subject matter experts across networking, communications, cloud, and customer experience technologies, ensuring high‑quality designs, costing, and risk management.

Your day to day will consist of

• Provide architectural leadership and governance, ensuring design integrity across complex network and managed services environments while delivering expert technical advice and trusted guidance to customers and internal stakeholders.
• Lead customer engagement and strategic advisory, acting as a trusted partner, understanding business needs, recommending technology strategies, and delivering exceptional customer outcomes through strong stakeholder relationships.
• Design and deliver complex end-to‑end solutions, including networking, voice, cloud, cyber, and managed services, with accountability for solution architecture, costing, risk assessment, and successful implementation.
• Drive pre‑sales and business growth initiatives, partnering closely with Sales to develop innovative, value‑based solutions, support executive‑level presentations, and identify cross‑sell and upsell opportunities.
• Provide senior technical leadership and operational support, mentoring architects and delivery teams while assisting with Level 3 escalations, troubleshooting, and continuous improvement of technical capabilities and solution standards.
• Build strong internal partnerships and deliver commercial outcomes, fostering collaboration across Optus teams, maintaining industry and technology expertise, and contributing to revenue growth, profitability, and account performance targets

What makes you perfect for the role

• Extensive senior architecture experience, with 7+ years in ICT and at least 3 years in pre‑sales or embedded architecture roles, supporting enterprise and executive‑level stakeholders.
• Proven solution design expertise, including development of technical designs, bills of materials, proposals, change requests, and maintaining architectural integrity across complex managed services environments.
• Deep technical knowledge across multiple technologies, particularly data networking, security, cloud, and operational toolsets.
• Strong business and stakeholder management capabilities, with demonstrated experience in project coordination, vendor and third‑party engagement, outsourcing environments, and presenting to both technical and executive audiences.
• Exceptional leadership and communication skills, with the ability to mentor teams, influence stakeholders, drive continuous improvement, challenge existing processes, and take ownership of outcomes.
• Relevant qualifications and professional credentials, including tertiary qualifications in IT or Engineering, industry certifications (e.g., Cisco, Juniper, Microsoft,) supported by a self‑motivated and results‑driven approach.

What’s in it for you?

• 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.
• 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.
• Direct your own development and build future‑ready skills with Optus U’s industry‑focused micro‑credentials, developed with La Trobe and Macquarie Universities.
• 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.