Senior Cyber Security Analyst

VIC - Melbourne - 655 Collins St

Service Stream is seeking an experienced Senior Cyber Security Analyst to join our growing Cyber Security team. This role is ideal for a security professional who enjoys a combination of hands-on technical work, stakeholder engagement, proactive threat hunting and risk mitigation, and continuous improvement. As a senior member of the team, you will provide technical leadership, mentor junior analysts, and contribute to the protection of Service Stream's IT and Operational Technology (OT) environments. You will play a key role in ensuring security is embedded into the design, implementation, and operation of business systems and services and will have a well-developed knowledge and experience in cyber security operations within the context of a large Defence Industry company.

Location: Melbourne CBD (Collins Street) with a hybrid work arrangement of 3 days in the office and 2 days from home.

Work type: full time permanent.

Role requirements: Applicants must be Australian Citizens and eligible to obtain and maintain an Australian Government Security Clearance (Baseline or NV1, depending on operational requirements).

What you’ll do

Cyber Security Operations

Investigate and respond to security alerts and incidents

Manage Security Operations Centre (SOC) activities

Support identity and access management

Administer and optimise security technologies including SIEM, SOAR, email security, endpoint protection, and privileged access solutions

Conduct threat hunting, threat intelligence analysis, and threat modelling activities

Support phishing simulations, incident response and exercises, and security monitoring capabilities

In All Roles

Contribute to cyber security audits and compliance activities

Participate in incident management, security exercises, and working groups

Prepare technical reports, security procedures, and operational documentation

Support continuous improvement initiatives across security controls, policies, and processes

Share knowledge and mentor less experienced team members

Assist with additional security responsibilities as required

What You'll Bring

Demonstrated experience in Cyber Security within Cyber Security Operations

Experience working within Defence, Critical Infrastructure, or similarly regulated environments

Strong understanding of cyber security frameworks and standards such as: ACSC Essential Eight, Information Security Manual (ISM), NIST Cyber Security Framework, ISO 27001, MITRE ATT&CK Frameworks

Experience with cyber security service management, workflow management, and reporting tools

Hands-on experience with security technologies such as: Splunk, CrowdStrike, Check Point, Zscaler, Service Now, Jira or similar platforms

Service Stream is an equal opportunity ASX-listed organisation that develops and operates Australia's essential service networks across telecommunications, utilities, transport, defence and social infrastructure. Our work supports and connects communities across the nation.

Benefits of Working with Us

Growth – Build your technical capability across cloud, infrastructure, security and modern workplace technologies.

Discounts – Access to hundreds of retail and service discounts including Woolworths, JB Hi-Fi, Airbnb and Bupa.

Paid Leave – Parental, cultural, community service, study, corporate volunteering and purchased leave options.

Culture – Join a team that values accountability, collaboration, inclusion and continuous improvement.

How to Apply

Please submit your interest using the Apply button, where you will be directed to create a profile on our system.

We celebrate diversity at Service Stream and welcome applications from Aboriginal and/or Torres Strait Islander peoples, people with disability or neurodivergence, and those from LGBTIQA+, Veteran or other diverse groups.

Applications will not be accepted via email. If you require reasonable adjustments to the recruitment process, please email [email protected].

GBIS

If this sounds like you apply now to the Service Stream Recruitment Team via the online application button.