{"title":"Castellum Security Collective: 31 open jobs","description":"As of Nov 14, 2026, Castellum Security Collective has 31 open jobs on Alion. 20 of them state a salary (65%). They are posted in 10 cities. 2 allow remote or hybrid work. Most open roles: Field & Service 22, Operations 3, Solutions 2. Its postings score C on the Alion truth index.","how_to_cite":"Alion, \"Castellum Security Collective: 31 open jobs\", as of Nov 14, 2026. https://alion.io/company/castellumsecurity/jobs","as_of":"2026-11-14","company":{"id":4417376,"name":"Castellum Security Collective","domain":"castellumsecurity.nl","url":"https://alion.io/company/castellumsecurity"},"open_jobs":31,"with_salary":20,"salary_share":0.65,"salary_usd_year":{"p25":51144,"median":53916,"p75":60648,"postings":20},"posted_last_30_days":7,"median_days_on_alion":101,"newest_posting":"2026-11-12","truth_index":{"grade":"C","score":67,"roles_checked":31,"method":"https://alion.io/methodology"},"roles":[{"name":"Field & Service","open_jobs":22,"share":0.71},{"name":"Operations","open_jobs":3,"share":0.1},{"name":"Solutions","open_jobs":2,"share":0.06},{"name":"Industrial Engineering","open_jobs":1,"share":0.03},{"name":"Early Careers","open_jobs":1,"share":0.03},{"name":"Management","open_jobs":1,"share":0.03},{"name":"Support","open_jobs":1,"share":0.03}],"cities":[{"name":"Netherlands","open_jobs":6},{"name":"Oldenzaal","open_jobs":4},{"name":"Nieuw-Vennep","open_jobs":4},{"name":"Nuenen","open_jobs":3},{"name":"Rijsenhout","open_jobs":3},{"name":"Hoogeveen","open_jobs":2},{"name":"Alkmaar","open_jobs":2},{"name":"Veenendaal","open_jobs":2},{"name":"Bodegraven","open_jobs":2},{"name":"Dordrecht","open_jobs":1}],"work_format":[{"name":"In office","open_jobs":29,"share":0.94},{"name":"Remote","open_jobs":2,"share":0.06}],"seniority":[{"name":"Lead","open_jobs":1,"share":1}],"coverage":"open vacancies from the employer's own careers board","html_url":"https://alion.io/company/castellumsecurity/jobs","json_url":"https://alion.io/company/castellumsecurity/jobs.json","md_url":"https://alion.io/company/castellumsecurity/jobs.md","license":"CC BY-SA 4.0","meta":{"source":"Alion","built_at":"2026-11-14T00:39:54Z","generated_at":"2026-11-14T05:49:02Z"}}