Senior Security Engineer

Patelco Credit Union•Dublin, CA

49d•Hybrid

About The Position

Patelco's Sr. Security Engineer (Detection Engineering) will be leading the design, tuning and optimization of the Credit Union's detection stack, helpful for safeguarding our networks and member data. This role is deeply technical and cross-functional, responsible for designing, implementing, and ensuring control effectiveness of system security, information security controls, and processes to protect Patelco data, infrastructure and applications. The role is responsible for care and feeding of detection platforms (e.g. EDR, NDR), SIEM engineering, and SOAR automation and will apply Threat Intelligence, Security Architecture, and adversary simulation knowledge to mature our detection capabilities in alignment with the NIST CSF.

Requirements

Strong knowledge of the Cyber Threat landscape and ability to articulate and incorporate understanding of major threat categories, motivations and intent of adversaries
Demonstrated knowledge and practical application of MITRE ATT&CK
Experience in at least one programming language (Python, Go, C, C++) or deep expertise using low-code automation tools or SOAR Platforms
Experience building and scaling observability solutions
Experience with Adversary emulation, continuous detection improvement and operational excellence
Must be able to collaborate with other teams
Clear verbal and written communication will be required
5+ years Information Security with 3+ years focused on Detection Engineering, including EDR, NDR, SIEM, SOAR tooling
Demonstrated knowledge and practical application of MITRE ATT&CK, STRIDE & DREAD models
Strong scripting skills (Python, YAML etc.) and experience with data parsing and log normalization

Nice To Haves

Industry certifications such as CISSP, GCTI, GCIA, GDSA or equivalent preferred

Responsibilities

Own the engineering and tuning of endpoint detection & response, network detection & response platforms
Drive advancement and growth of detection and automation initiatives
Build, test, and deploy behavioral detections solutions aligned to MITRE ATT&CK TTPs
Continuously improve detection efficacy using business context and real-world feedback
Engineer and optimize detection pipelines in SIEM
Author comprehensive runbooks, write automation scripts, and build SOAR capabilities to improve response times
Build and maintain enrichment workflows and automated response playbooks using SOAR
Create, maintain and manage a library of automated playbooks to address new threats and tactics employed by attackers
Ensure telemetry normalization, parsing and alert fidelity across data sources
Operationalize threat intelligence into actionable detection rules, dashboards, and response workflows.
Lead red/blue teaming efforts to test detections against real-world scenarios.
Integrate external and internal threat feeds to strengthen signal correlation
Apply STRIDE & DREAD methodologies to model risks associated with applications, systems and emerging threats
Recommend and document compensating controls for identified risks
Partner closely with Security Operations, Governance Risk & Compliance (GRC), and wider Engineering teams to enhance detection coverage
Document information security design and architecture
Mentor and cross-train staff members in the areas of subject matter expertise
Provide engineering support to Technology Operations implementing industry standard benchmarks and evaluation activities
Other duties as assigned

Benefits

Exceptional Medical, Dental, Vision, and Life Insurance benefits
Onsite fitness center at HQ and rewards for completing wellness related activities
Competitive compensation packages with bonus opportunity
401(k) with 3% Safe Harbor and 5% employer match
Discounts on loan products
Tuition reimbursement
Employee Assistance Program (EAP)
PTO for part-time and full-time positions
Paid holidays
On-the-job training and skills development
Internal transfer opportunities for career growth
Volunteer work
Flexible work arrangements available for specific positions