OT Maintenance Security Engineer

Help AG is looking for a OT Maintenace Security Engineer who will be responsible for delivering maintenance support for OT Cybersecurity services. The role ensures operational performance, availability, and compliance of OT cybersecurity assets and infrastructure in line with standards, regulations, and security baselines.

Responsibilities:

• Provide day-to-day support to ensure the effectiveness and efficiency of OT/ICS cybersecurity systems.

• Update asset inventory reflecting site-based changes.

• Support preventive maintenance onboarding and tracking in SAP.

• Ensure timely completion of preventive maintenance (PM) activities in coordination with site teams, adhering to defined KPIs and metrics.

• Conduct configuration, health, access, and functionality reviews of OT/ICS cybersecurity systems.

• Assist with all phases of the Maintenance & Support Services Framework—from scope definition to contract award.

• Manage Work Orders and maintenance plans as per framework agreements.

• Continuously optimize and improve maintenance plans and documentation.

• Develop and maintain asset management processes and procedures for OT cybersecurity.

• Maintain up-to-date and accurate cybersecurity asset lists across all sites.

• Analyze OT network topologies and data flows to assess risks and dependencies.

• Lead support for all maintenance types—preventive, corrective, and emergency response.

• Ensure baseline configurations are maintained, and changes are documented via MOC processes.

• Support system backups, restoration procedures, and documentation integrity.

• Develop and review scopes of work (SOW), including Bill of Quantities (BOQ) for new OT cybersecurity framework agreements.

• Coordinate with OEMs and vendors to finalize contract technical specifications and evaluations.

• Provide technical input for contract finalization, budget estimations, and procurement planning.

• Support the annual maintenance budgeting process, including site-level forecasts and asset lifecycle planning.

• Provide inputs for budgeting new, existing, and upgraded assets.

• Maintain regular reporting structures: daily activity reports, weekly timesheets, monthly PM reports, and quarterly summaries.

• Engage with internal teams across OT Cybersecurity operations, Group Risk & Compliance, BCP, and vulnerability management.

• Participate in evaluations of emerging technologies, tools, and third-party services.

• Contribute to the development and updating of OT cybersecurity documentation.

• Support cybersecurity risk assessments, audits, and incident response activities.

Qualifications & Skills:

• Bachelor’s degree in Computer Science, Electronics/Computer/Automation Engineering, or a related technical discipline.

• 7–10 years in IT/OT cybersecurity, with at least 3 years specifically in OT/ICS environments.

• Experience with DCS, SCADA, and PLC systems from vendors like Honeywell, Yokogawa, ABB, Schneider Electric, Siemens, etc.

• Hands-on experience in cybersecurity system maintenance, risk management, system hardening, and network protection.

• Familiarity with IEC 62443, NIST, CIS CSC, and ITIL frameworks.

• Knowledge of:

  • Malware & patch management, application whitelisting.

  • Industrial control systems (ICS), field protocols (OPC, Modbus, DNP3, etc.)

  • Network devices (switches, firewalls), SIEM, and data diodes (e.g., OWL, Waterfall).

• Experience in:

  • OT system health checks, incident response, asset & configuration management.

  • Managing service agreements and vendor engagements.

  • Network security architecture and segmentation strategies.

• Preferred Certifications:

  • GICSP, ISA/IEC 62443 Cybersecurity Fundamentals

  • CCNA (R&S or Cybersecurity)

  • CISSP, GCIA, GDSA, GCWN

  • ITIL/ITSM

  • OT certifications from industrial vendors

• Daily coordination with line managers and OT cybersecurity operations teams (Upstream & Downstream).

• Interaction with vendors, integrators, OEMs, and third-party service providers for technical clarifications and maintenance coordination.

• Detail-oriented, persistent, and self-driven.

• Excellent written and verbal communication skills (English).

• Strong problem-solving and critical-thinking abilities.

• Team player with strong collaboration and mentoring capabilities.

• Open-minded, proactive, and committed to continuous improvement.

Benefits

• Health insurance with one of the leading global providers for medical insurance.

• Career progression and growth through challenging projects and work.

• Employee engagement and wellness campaigns activities throughout the year.

• Excellent learning and development opportunities.

• Inclusive and diverse working environment.

• Flexible/Hybrid working environment.

• Open door policy.

About Us

Help AG is the cybersecurity arm of e& enterprise (formerly Etisalat Digital) and provides leading enterprise businesses and governments across the Middle East with strategic consultancy combined with tailored information security services and solutions that address their diverse requirements, enabling them to evolve securely with a competitive edge.

Present in the Middle East since 2004, Help AG was strategically acquired by e& (formerly Etisalat Group) in Feb 2020, hence creating a cybersecurity and digital transformation powerhouse in the region.

Help AG has firmly established itself as the region's trusted IT security advisor by remaining vendor-agnostic, trustworthy, independent, and cybersecurity focused. With best-of-breed technologies from industry-leading vendor partners, expertly qualified service delivery teams and a state-of-the-art consulting practice, Help AG delivers unmatched value to its customers by strengthening their cyber defences and safeguarding their business.