{"id":4016198,"url":"https://alion.io/job/volta-senior-systems-security-engineer","title":"Senior Systems Security Engineer","company":{"id":3862918,"name":"Volta","domain":"volta.com","url":"https://alion.io/company/volta-7","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"A","score":95,"open_postings":43,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":65,"computed_at":"2026-11-10T06:52:35Z"}},"role":"Security","role_family":"Security","seniority":"senior","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"posting_text","remote_working_hours":null,"hiring_geo_confidence":"inferred","locations":[],"countries":[],"hiring_countries":["GB","IE"],"hiring_countries_total":2,"salary":{"min":200000,"max":250000,"currency":"GBP","period":"year","gross":null,"usd_annual":335332},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"GDPR","optional":true}],"status":"live","first_seen_at":"2026-11-10T10:38:31Z","employer_posted_date":"2026-11-10","last_verified_at":"2026-11-10T12:50:22Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"About Volta\nVolta is the category-defining, fully vertically integrated AI infrastructure platform - from capital to clusters to software, under a founder-led enterprise. Our mission is The Utility of Compute™: AI infrastructure as dependable and available as electricity, for every organization that needs it. Launched with a $10B strategic partnership with one of the leading frontier AI labs, a Series A led by Andreessen Horowitz, and a $5B AI Infrastructure Fund, Volta is building the infrastructure layer of the AI era from the ground up. We are 100+ people across London, Palo Alto, and New York, with rapid growth expectations to hundreds.\nThe role\nAs Senior Systems Security Engineer, you will own how security infrastructure is built into Volta's infrastructure systems, from construction through commissioning to handover. Your focus is operational technology: BMS/PMS, cooling controls and infrastructure management systems across every DSX site.\nThis is an expert-level individual contributor role. Reporting to the Senior Director, Global Commissioning & Handover, you will set direction across delivery, commissioning and operations teams, and you will own the security acceptance bar every site must clear before it goes live.\nWhat you will do\nSecurity requirements and architecture\nSet Volta's OT and infrastructure security requirements for commissioning and handover, across all sites.\n\nDefine security architecture expectations that align to Volta’s high infrastructure security standards.\n\nSet the supplier security requirements vendors are contracted against.\n\nOwn and track the security progress across Volta’s end to end security portfolio.\n\nAssurance and acceptance\nOwn the security acceptance criteria and decide when residual risk needs escalation or formal acceptance.\n\nLead security reviews and authorised testing of controls systems before handover.\n\nMake sure patching, monitoring, incident response and recovery have clear owners at handover.\n\nImprovement\nUse deployment and incident lessons to evolve the standards.\n\nWhat we are looking for\nExpert-level experience in OT or infrastructure cybersecurity in critical environments, typically 8+.\n\nA track record setting security requirements across multiple sites or teams, not only assessing single systems.\n\nStrong knowledge of controls networks, segmentation, identity and secure remote access.\n\nExperience balancing security against plant safety and availability, and making that trade-off clear to leadership.\n\nExperience working with enterprise security teams and influencing engineering and vendor decisions.\n\nNice to have\nData centre BMS/PMS or industrial controls.\n\nOT security frameworks such as IEC 62443.\n\nSecure commissioning and handover across multiple sites.\n\nWhat We Offer\nAt Volta, we believe people do their best work when they feel supported, trusted and able to grow. We're building a company where you can make an impact, keep a healthy balance between work and life, and build a career you're proud of. \nAs a global team, we do our best to provide great benefits wherever you're based. While some benefits vary by country due to local regulations, we believe looking after our people is simply the right thing to do.\nCompetitive salary based on the work you do here, not your previous salary\n\nEquity in Volta, giving you the opportunity to share in the company's long-term success\n\nRetirement/pension contributions\n\nComprehensive health, wellbeing and insurance benefits\n\nGenerous number of vacation days each year\n\nAdditional Information\nBackground Checks\nAll offers of employment at Volta are conditional on the satisfactory completion of pre-employment screening, which includes confirmation of your right to work, verification of your employment history and a criminal record check, where this is permitted by local law. Screening is carried out by Zinc, an accredited third-party provider, after an offer is made and all information is handled confidentially and in accordance with applicable data protection law.\nEqual Opportunity\nVolta is an equal opportunity employer. We are committed to building a diverse and inclusive team and make employment decisions based on skills, qualifications, experience and business needs. We do not discriminate on the basis of race, colour, religion, sex, sexual orientation, gender identity or expression, national origin, age, disability, veteran status or any other legally protected characteristic.\nAccessibility\nVolta is committed to providing an accessible recruitment experience for all candidates. If you require accommodations or adjustments at any stage of the application or interview process, please contact us at . We will work with you to identify reasonable accommodations that enable you to participate fully in the hiring process.\nCandidate Privacy Notice\nBy applying, you consent to the processing of your personal data for recruitment purposes in accordance with applicable data protection laws, including the UK GDPR, EU GDPR and relevant US state privacy regulations. Your data will be shared only with those involved in the hiring process and will not be used for unrelated purposes. For details, see our Recruitment & Candidate Privacy Notice.\nNote to Recruitment Agencies\nVolta does not accept unsolicited CVs or candidate profiles from recruitment agencies. Any unsolicited submissions, including those sent directly to hiring managers or employees, will be treated as the property of Volta. 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