Associate Director, Security Systems Engineering

DayOne; Singapore; On-site; SGD 120,000 - 160,000; Full time

Job summary

DayOne is seeking an Associate Director for Data Center Physical Security Systems Engineering in Singapore. The role involves developing security technology strategies and leading a global team to design, implement, and manage physical security systems across data centers. Key responsibilities include project delivery, ensuring compliance, and budget management. Candidates should possess a Bachelor's in Engineering, 10+ years in security systems engineering, and strong leadership skills. Benefits include a hybrid work model and commitment to diversity.

Qualifications

• 10+ years of experience in physical security systems engineering.
• At least 5 years in data centers or critical infrastructure.
• Hands-on experience with enterprise security technologies.

Responsibilities

• Define technical roadmap for data center physical security systems.
• Lead and develop a team of security engineers.
• Oversee deployment of physical security systems.

Skills

Engineering

Security Technology

Access Control

Video Management

Networking

Leadership

Education

Bachelor’s degree in Engineering or related field

Master’s degree in Engineering or Security Management

Tools

LenelS2

Genetec

Milestone

Honeywell

Job description

Position Summary The Associate Director, Data Center Physical Security Systems Engineering is responsible for the strategy, design, implementation, and lifecycle management of all physical security technologies across DayOne’s global data center portfolio. The role leads a team of engineers and integrators to ensure our facilities meet or exceed corporate, regulatory, and customer security requirements while maintaining high availability and scalability.

Key Responsibilities

• Define and own the technical roadmap for data center physical security systems globally.
• Lead, mentor, and develop a high‑performing team of security systems engineers and technicians.
• Establish and maintain security technology standards, reference architectures, and design guides.
• Partner with Security Operations, Data Center Operations, Networking, Facilities, and IT to align physical security solutions with business objectives.

Design & Engineering

• Architect end‑to‑end physical security solutions for new data centers, expansions, and retrofits, including:
• Access Control Systems (ACS)
• Video Management Systems (VMS) and CCTV
• Intrusion Detection Systems (IDS) and alarm monitoring
• Perimeter protection, barriers, mantraps, turnstiles, and interlocks
• Visitor management and identity management integrations
• Create and review drawings, schematics, BOMs, and technical specifications.
• Ensure designs meet requirements for redundancy, fault tolerance, scalability, and maintainability.
• Standardize hardware, firmware, and configurations across regions and sites.
• Implementation & Project Delivery
  • Oversee deployment and commissioning of physical security systems for greenfield and brownfield projects.
  • Manage relationships with security integrators, vendors, and contractors; review SOWs, bids, and change orders.
  • Define acceptance testing criteria and sign‑off for system handover to operations.
  • Drive continuous improvement in installation quality, documentation, and commissioning processes.
• Operations, Reliability & Compliance
  • Establish performance, availability, and reliability SLAs for security systems; monitor KPIs and drive remediation.
  • Ensure proper integration with Security Operations Centers (SOCs), PSIM/PSA platforms, and incident management tools.
  • Maintain system hardening and patching standards in collaboration with IT and cybersecurity teams.
  • Ensure compliance with internal policies and external standards (ISO 27001, SOC 2, PCI‑DSS, TIA‑942, local regulations).
  • Champion security‑by‑design principles in all data center projects.
• Risk Management & Incident Response
  • Collaborate with onsite Security Manager to conduct risk assessments and threat modeling for physical security.
  • Define technical controls to mitigate risks such as unauthorized access, tailgating, insider threat, and perimeter breaches.
  • Provide technical leadership during security incidents related to physical systems; oversee root‑cause analysis and corrective actions.
  • Support customer audits, RFP responses, and due diligence related to physical security capabilities.
• Budgeting & Vendor Management
  • Develop and manage capital and operating budgets for security systems across the portfolio.
  • Evaluate and select hardware and software platforms; lead vendor performance reviews and roadmap discussions.
  • Negotiate contracts and service agreements to ensure cost‑effective and scalable solutions.

Qualifications Required

• Bachelor’s degree in Engineering, Security Technology, Computer Science, or related field; or equivalent experience.
• 10+ years of experience in physical security systems engineering, with at least 5+ years in data centers, critical infrastructure, or large enterprise environments.
• 5+ years in a leadership or management role overseeing engineering or technical teams.
• Hands‑on expertise with enterprise access control, video management, and sensor networks (e.g., LenelS2, Genetec, Milestone, Honeywell, C‑U‑R‑E).
• Experience designing and deploying security systems at scale across multiple sites or regions.
• Proven track record managing large, complex projects and cross‑functional stakeholders.
• Strong understanding of networking concepts as they relate to security systems (IP addressing, VLANs, QoS, latency, bandwidth planning).
• Exceptional documentation, communication, and executive presentation skills.

Preferred

• Master’s degree in Engineering, Security Management, or related discipline.
• Experience in colocation, cloud service providers, or hyperscale data center environments.
• Knowledge of relevant standards and best practices (TIA‑942, Uptime Institute, ASIS guidelines).
• Familiarity with cybersecurity principles for OT/IoT and converged security systems.
• Professional certifications such as PSP, CPP (ASIS), RCDD, PMP, or vendor‑specific security system certifications.

Competencies

• Strategic and systems thinking with the ability to translate business requirements into technical architectures.
• Strong leadership, coaching, and team‑building skills.
• Data‑driven decision‑making with focus on reliability, resilience, and total cost of ownership.
• Ability to operate effectively in a fast‑paced, global, and highly regulated environment.
• High attention to detail and a bias for action.

Work Environment & Travel

• Role may be based at a major data center hub or corporate office, with hybrid options depending on location.
• Travel up to (20–40%) to domestic and international data center sites, vendors, and project locations.

DayOne is proud to be an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.