The Opportunity
The Senior Security Engineer is pivotal in delivering, managing, and supporting security solutions that ensure our customers’ environments are secure, efficient, and resilient. This role combines hands-on implementation, customer enablement, project leadership, and pre-sales expertise. This ensures Infotrust customers receive high-value, strategic security outcomes, tailored to their business needs.
Responsibilities
- Stay abreast of emerging threats, techniques, and technologies to help evolve service offerings and maintain relevance in a fast-changing landscape.
- Develop and maintain technical documentation, including architectural diagrams, implementation plans, tuning guides, and operational runbooks.
- Support sales and pre-sales by contributing to solution design, scope validation, and proposal development.
- Engage directly with customers to provide strategic security advice, articulate technical solutions, and build trusted long-term relationships.
- Mentor and guide junior engineering staff through knowledge sharing, technical reviews, and process alignment.
- Champion quality assurance across engineering deliverables, including documentation, deployment standards, and service transition.
- Act as a key point of technical escalation for customer engagements and internal engineering challenges.
- Work closely with the PMO to support structured delivery of security initiatives, ensuring alignment with scope, cost, and quality expectations.
- Drive continuous improvement in security detection, visibility, and operational maturity, in collaboration with internal teams and customer stakeholders.
- Lead the implementation, optimisation, and support of advanced security technologies across customer environments, including SIEM, EDR, Email/Web Security, Cloud Security, and Identity solutions.
Key Performance Indicators (KPIs)
- Measurable improvements in platform performance and detection maturity
- Active contribution to internal knowledge bases and mentoring programs
- Timely delivery of documentation and artefacts meeting QA standards
- Reduced incident rates and improved detection efficacy within customer environments
- Successful deployment and support of assigned technologies within agreed timelines
- Engineering support SLAs met for escalations and key accounts
- Successful handover to BAU teams’ post-project/engagement
Qualifications
- 5–7 years of experience in Security Engineering, ideally in customer-facing or managed services roles.
- Proficient in:
- SIEM platforms (Splunk, Microsoft Sentinel, Rapid7 InsightIDR, CrowdStrike NG-SIEM)
- EDR/XDR solutions (CrowdStrike, Microsoft Defender)
- Email & Web Security
- Cloud Security Posture Management (CSPM)
- Identity & Access Management (IAM)
- Microsoft Exchange & Office 365 Security
- Windows (AD, DNS, DHCP), Mac, and Linux systems
- TCP/IP, firewalls, IDS/IPS
- Familiar with IT service management frameworks and QA standards
- Strong understanding of threat intelligence, security frameworks (MITRE ATT&CK, NIST, CIS), and incident response
- Experience with automation and scripting (e.g. PowerShell, Python)
- Industry certifications preferred: CISSP, Microsoft Security, AWS/Azure Security, CompTIA Security+ or equivalent
- Preferably with experience in Netskope.
How to Apply
Please send resumes to: pauline.tabirara@infotrust.com.au
