Security Analyst

About Seisma

Backed by Australian-owned superannuation funds, Seisma is committed to growth both organically and through strategic acquisitions. With over 550 employees across Melbourne, Sydney, and New Zealand, we continue to expand rapidly and have a strong roadmap for further growth this year.

Role:

The Senior Cyber Security Analyst will embed within a Federal Government client environment, working alongside experienced security professionals to support critical national security operations. The role focuses on continuous monitoring, detection, incident response, and analysis of malicious activity across gateway systems.

You will manage daily operational priorities, respond to stakeholder requests, and contribute to the ongoing improvement of security processes, tooling, and methodologies. A key part of the role involves tuning detection capabilities and adapting to the evolving threat landscape.

Key Responsibilities

• Monitor, detect, and respond to security threats and suspicious activity
• Tune and optimise SIEM (Splunk) policies, use cases, and detection rules
• Collaborate with stakeholders to support log onboarding and application visibility
• Provide guidance on security best practices and uplift initiatives
• Conduct threat analysis and lead incident investigations
• Develop and recommend mitigation strategies aligned to emerging threats
• Support incident management processes and contribute to security strategy
• Facilitate communication between internal teams, customers, and third parties during incidents
• Deliver proactive security improvements, including:
• Applying lessons learned from past incidents
• Enhancing incident response processes and methodologies
• Providing ongoing feedback to improve operational effectiveness
• Perform root cause analysis and deliver recommendations post-incident
• Monitor global threat intelligence and contribute to reporting and briefings

Qualifications

• Strong communication skills with the ability to engage technical and executive stakeholders
• Excellent written and verbal communication, including documentation skills
• Strong analytical and problem-solving capabilities with a continuous improvement mindset
• Proven leadership skills and proactive approach to security challenges
• Advanced experience with Splunk (dashboarding, log ingestion, use case development, configuration)
• Minimum NV1 security clearance (AGSVA)
• Availability to participate in a 24/7 on-call roster

Desirable:

• Relevant SIEM and cyber security certifications
• ~3+ years’ experience in a dedicated cyber security role
• Knowledge of frameworks such as NIST, ISO 27001, Essential Eight, PSPF, and ISM
• CISSP and/or CISM certification
• Experience in Security Operations Centre (SOC) environments
• Understanding of incident response processes and frameworks
• Knowledge of malware, attack vectors, detection, and remediation techniques
• Awareness of current threats, vulnerabilities, and their business impact
• Exposure to modern network and cloud security technologies

Our Capabilities

We've been doing this for businesses of all sizes across many different industries for almost 18 years. You can read our story on our website at "Join Our Team", but the short version is that we are on a mission to become the largest 100% Australian and New Zealand-owned IT professional services group. We are on a steady acquisition and organic growth journey, and we invite you to join us!

Working with Seisma

• Our workforce currently numbers more than 400 consultants across many different industries. This provides great opportunities to network with people on a similar career journey.
• Our dedication to diversity and inclusiveness ensures that every employee feels valued and proud. Policies, initiatives and tools are just the first steps; we truly support diversity actions. Our team recently voted us a Great Place to Work!
• With a growing client list around Australia and New Zealand, your contract has plenty of opportunities to be extended beyond this role.

Express your interest

We encourage all diverse, suitably qualified candidates with valid Australian working rights to apply. We will be in touch with shortlisted applicants, no agencies please.

Seisma.com.au