{"id":3865881,"url":"https://alion.io/job/kaluza-senior-security-engineer","title":"Senior Security Engineer","company":{"id":51455,"name":"Kaluza","domain":"kaluza.com","url":"https://alion.io/company/kaluza","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"B","score":75,"open_postings":4,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":30,"computed_at":"2026-11-08T05:47:12Z"}},"role":"Security","role_family":"Security","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["Bristol, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":true,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"CI/CD","optional":false},{"name":"Cloudflare","optional":false},{"name":"Crowdstrike","optional":false},{"name":"Datadog","optional":false},{"name":"GCP","optional":false},{"name":"IAM","optional":false},{"name":"Kubernetes","optional":false},{"name":"Okta","optional":false},{"name":"OWASP Top 10","optional":false},{"name":"Python","optional":false},{"name":"Zero Trust","optional":false}],"status":"live","first_seen_at":"2026-11-06T10:24:14Z","employer_posted_date":"2026-11-06","last_verified_at":"2026-11-08T06:20:15Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":1},"description":"Role: Senior Security Engineer\nLocation: London, Bristol, Edinburgh\nLevel: TL1\nTeam: Platform & Security\nContract: Permanent\nThis role is based in the UK and requires existing right to work in the UK.\nAt this time, we are not able to offer visa sponsorship for this role. We are committed to building a diverse, global team and our sponsorship policy is evaluated on a role-by-role basis. We encourage you to keep an eye on our careers site to stay informed about future opportunities where we are able to offer visa sponsorship.\nKaluza Overview\nKaluza is the Energy Intelligence Platform, turning energy complexity into seamless coordination. We help energy companies overcome today’s challenges while accelerating the shift to a clean, electrified future.\nOur platform orchestrates millions of real-time decisions across homes, devices, markets and grids. By combining predictive algorithms with human-centred design, Kaluza makes clean energy dependable, affordable and adaptive to everyday life.\nWith teams across Europe, North America, Asia and Australia, and a joint venture with Mitsubishi Corporation in Japan, we power leading companies including OVO, AGL and ENGIE, as well as innovators like Volvo and Volkswagen.\nWhere in the world of Kaluza will I be working?\nYou’ll be joining the Security Engineering team, which sits within the Cyber Security squad in the Kaluza technology community, working alongside our security operations team as well as the wider Kaluza software and platform engineering teams. Our mission is to equip teams with the necessary tools and guidance to build and innovate whilst upholding security best practices and safeguarding our clients’ data.\nWhat will I be doing?\nIntegrating security platforms and tooling as well as harnessing AI to proactively prevent, accurately detect, and effectively respond to emerging security threats\n\nPartnering with Platform Engineering and IAM teams to embed Zero Trust architecture and ensure the implementation of strong privileged access management (PAM) controls\n\nEmpowering Kaluza’s product teams to rapidly deliver secure systems by cultivating a strong, collaborative security culture\n\nDelivering actionable guidance to product and engineering teams on identifying, prioritizing, and mitigating systemic risks and vulnerabilities\n\nBe responsible for defining and evolving security best practices for our systems, and for helping teams to apply these with expert advice and automation\n\nWorking closely with release engineering to embed security tooling into the Kaluza release process, ensuring that vulnerabilities are detected and prevented early in the development lifecycle\n\nThis is a varied role where you’ll be exposed to the full stack and will work across technologies including AWS, Cloudflare, Okta, Datadog, Crowdstrike and Kubernetes. You’ll be focusing on projects spanning infrastructure, release engineering and security detection\n\nWhat you will have\nKnowledge of AWS and/or GCP security best practices\n\nKnowledge of Kubernetes security best practices\n\nExtensive experience working with infrastructure-as-code (e.g., terraform)\n\nExperience managing web application firewalls (e.g., Cloudflare)\n\nAwareness of common software security flaws and web application security best practices (OWASP top 10, CWE/SANS Top 25)\n\nKnowledge of CI/CD and DevOps principles and security considerations\n\nExperience of applying AI to your own work and/or enabling others\n\nWorking knowledge of Okta or equivalent, for workforce identity and enforce access management policies\n\nSome scripting experience (Python, Go)\n\nExperience of providing consultancy to other engineering teams, such as reviewing technical designs and facilitating threat modelling\n\nCommunication, quality & delivery\nYou’ll be…\nSkilled at identifying gaps in requirements and contribute to the planning process\n\nAble to demonstrate factoring in cost, industry standards and understanding of your organisation when making technical decisions\n\nExperienced at coaching and/or mentoring other engineers\n\nProficient at quickly understanding problem areas and, through collaboration, forming a strategy to resolve issues\n\nGood at communicating and collaborating effectively with engineers as well as stakeholders\n\nExperienced at helping progress technical maturity within a team, working with them to balance strategic delivery with maintenance, innovation and tactical support work\n\nOur Values\nFive values guide how we work at Kaluza:\nPlay to win: Collective pride in decarbonising energy at scale.\n\nSolve the real problem: Cutting through complexity to focus on real-world outcomes.\n\nBuild trust every day: Consistency, transparency and doing what we say.\n\nOwn the outcome: Full accountability, wins and setbacks, without ego.\n\nGo further together: Collaboration, respect and different perspectives.\n\nOur Perks\nTime off and family: 26 days’ holiday, plus 26 weeks’ full pay for new parents with no qualifying service period\n\nHealth and security: Private medical insurance with virtual GP, life assurance, pension scheme, free mortgage advice and eye tests\n\nPay and flexibility: Discretionary bonus, a Flex Fund of 5% [of salary] to spend on the benefits you want most, retail discounts through Perks at Work\n\nGrowth and setup: Personal learning budget, home office budget\n\nClimate: Furthr, our climate action app\n\nCome as you are\nWe want to meet people from all walks of life. The more inclusive we are, the better our work will be, and we recognise talent on merit and potential. If you’re excited about the role but don’t tick every box, we’d still love to hear from you.\nFind out more on ourcareers page andLinkedIn. Our Applicant Data Protection Policy is here.","description_format":"text","description_chars":5703,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Health insurance","Home office"],"hiring_locations":[{"name":"United Kingdom","iso":"GB","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Billing & Subscription Management","Smart Grid","Energy Management"],"lifecycle":[{"event":"open","at":"2026-11-06T12:03:20Z"}],"visa":[{"country":"GB","licensed_sponsor":true,"adverts_offering_sponsorship_24m":0,"sanctioned_now":false,"evidence":"Licensed UK visa sponsor (Skilled Worker, Senior or Specialist Worker)","filings_12m":null,"filings_prev_12m":null,"green_card_filings_12m":null,"median_offered_wage_usd":null,"route":"Skilled Worker; Global Business Mobility: Senior or Specialist Worker","cap_exempt":false,"checked_at":"2026-11-07T07:57:00+00:00","sources":["UK Home Office: register of licensed sponsors (workers)"],"filings_for_role_12m":0}],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":1,"expected_fill_days":30,"reasons":["conf:3","velocity","win:early"],"computed_at":"2026-11-08T05:47:12Z"},"pay":null,"html_url":"https://alion.io/job/kaluza-senior-security-engineer","json_url":"https://alion.io/job/kaluza-senior-security-engineer.json","meta":{"generated_at":"2026-11-08T06:51:17Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":14882,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-09T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":51455},"rest":"https://alion.io/mcp/rest/get_company?id=51455"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fkaluza-senior-security-engineer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fkaluza-senior-security-engineer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fkaluza-senior-security-engineer"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/kaluza-senior-security-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fkaluza-senior-security-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3865881}},{"tool":"search_jobs","arguments":{"company":"kaluza.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3865881},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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