{"id":3259305,"url":"https://alion.io/job/accenture-operational-technology-ot-security-architect","title":"Operational Technology (OT) Security Architect","company":{"id":271,"name":"Accenture","domain":"accenture.com","url":"https://alion.io/company/accenture","size_band":"5000+","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"A","score":100,"open_postings":2066,"ghost_share":0.001,"stale_share":0.134,"repost_share":0.006,"time_to_fill_p50_days":5,"computed_at":"2026-10-26T05:57:25Z"}},"role":"Security","role_family":"Security","seniority":"staff","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Dublin, Ireland"],"countries":["IE"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":102000,"max_usd":244000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":724},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"ISO 27001","optional":false}],"status":"live","first_seen_at":"2026-10-06T00:00:00Z","employer_posted_date":"2026-10-06","last_verified_at":"2026-10-26T11:11:02Z","board_verified":true,"closed_at":null,"days_open":20,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":20},"description":"The OT Security Architect is responsible for protecting industrial control systems (ICS) and operational technology environments against cyber threats while ensuring safety, availability, and regulatory compliance. The role bridges IT and OT, enabling secure digital operations across critical infrastructure environments such as utilities, energy, manufacturing, and transportation.\nKey Responsibilities\nOT Security Strategy & Governance\nDefine and implement OT cybersecurity strategy, policies, and standards aligned to IEC 62443, NIST 800 82, NIS D, and ISO 27001.\nEstablish OT security governance models and maintain OT risk registers across facilities.\nAct as a trusted advisor to OT operations, engineering, and executive stakeholders.\nArchitecture & Secure Design\nDesign secure OT network architectures aligned to the Purdue Model (Levels 0-3.5).\nDefine and validate secure IT/OT integration patterns, including data flows, remote access, and segmentation.\nReview and secure digital transformation initiatives (e.g., historians, analytics platforms).\nThreat & Vulnerability Management\nConduct OT specific risk assessments, vulnerability assessments, and penetration testing of SCADA/DCS/PLC environments.\nImplement vulnerability management and patching strategies suitable for safety critical systems.\nSupport OT incident response and forensic investigations.\nSecurity Controls Implementation\nDeploy and operate OT security technologies including:OT Intrusion Detection / Network Monitoring (e.g., passive IDS)\nFirewalls and segmentation controls at Levels 2 & 3\nSecure remote access solutions\nRemovable media controls and data diodes\n\nSupport deployment across geographically dispersed and remote field sites.\nCompliance & Regulatory Assurance\nSupport compliance with NIS D, sector specific regulations, and audit requirements.\nPrepare evidence, security reports, and remediation plans for regulatory and internal audits.\nTranslate regulatory requirements into practical, site level security controls.\nStakeholder & Delivery Management\nLiaise with plant operators, OT engineers, OEMs, vendors, and system integrators.\nLead or support multi-site OT security deployments and uplift programmes.\nProvide training and awareness sessions for OT and SCADA teams.\n\nRequired Experience & Skills\nStrong hands-on experience in OT / ICS / SCADA / DCS environments.\nDeep understanding of industrial networking, protocols, and architectures.\nProven experience delivering OT security assessments, designs, and implementations.\nKnowledge of OT security standards and frameworks:IEC 62443\nNIST 800 82\nNIS D\nISO 27001 (OT relevant controls)\n\nExperience working in critical infrastructure or highly regulated environments.\nAbout Accenture\nAccenture is a leading global professional services company that helps the world’s leading businesses, governments and other organizations build their digital core, optimize their operations, accelerate revenue growth and enhance citizen services-creating tangible value at speed and scale. We are a talent- and innovation-led company with approximately 791,000 people serving clients in more than 120 countries. Technology is at the core of change today, and we are one of the world’s leaders in helping drive that change, with strong ecosystem relationships. We combine our strength in technology and leadership in cloud, data and AI with unmatched industry experience, functional expertise and global delivery capability. Our broad range of services, solutions and assets across Strategy & Consulting, Technology, Operations, Industry X and Song, together with our culture of shared success and commitment to creating 360° value, enable us to help our clients reinvent and build trusted, lasting relationships. We measure our success by the 360° value we create for our clients, each other, our shareholders, partners and communities.Visit us atwww.accenture.com\nEqual Employment Opportunity Statement\nWe believe that no one should be discriminated against because of their differences. All employment decisions shall be made without regard to age, race, creed, color, religion, sex, national origin, ancestry, disability status, sexual orientation, gender identity or expression, marital status, citizenship status or any other basis as protected by applicable law. 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