{"id":2282964,"url":"https://alion.io/job/coretech-security-rapid-cyber-software-engineer","title":"Rapid Cyber Software Engineer","company":{"id":3854592,"name":"Coretech Security","domain":"coretech-security.com","url":"https://alion.io/company/coretech-security","size_band":"1-10","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Lever","truth_index":{"grade":"B","score":73,"open_postings":11,"ghost_share":0.455,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-12T06:55:09Z"}},"role":"Security","role_family":"Security","seniority":null,"employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Cheltenham, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":57000,"max_usd":132000,"period":"year","method":"role_country_seniority_unknown","sample_n":132},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Ansible","optional":true},{"name":"DNS","optional":true},{"name":"Docker","optional":true},{"name":"Python","optional":true},{"name":"Rust","optional":true},{"name":"Terraform","optional":true}],"status":"live","first_seen_at":"2024-11-06T16:21:27Z","employer_posted_date":"2024-11-06","last_verified_at":"2026-10-12T10:08:34Z","board_verified":true,"closed_at":null,"days_open":704,"trust":{"level":"ghost","repost_count":0,"flags":["stale","company_stale"],"days_open":704},"description":"Our Capability Development team develops bespoke software for our clients in the Cyber Security domain. We may be building assured software that prioritises engineering rigour and reliability, rapid cyber solutions that stitch together tooling for high-impact results, or blended operational systems that address real-world challenges in the field. Common to all is the commitment to technically led decisions, to meaningful technical challenge, and to engaging career paths where your work makes it off the shelf and into the hands of our customers. All of our roles demand strong technical expertise, meticulous attention to detail, and a commitment to delivering robust, dependable solutions that our clients can rely on when it matters most.\nThis role is aimed at engineers who thrive in fast-moving, technically diverse environments where success comes from identifying the most effective solution and delivering it quickly. Rather than focusing on a single technology stack, you will combine existing tools, open-source software, automation, infrastructure and bespoke development to create capabilities that solve real operational problems.\nYou will enjoy taking occasionally vague requirements and turning them into practical outcomes, rapidly evaluating options, integrating technologies, and iterating to maximise operational value. The emphasis is on delivering capability into the hands of customers quickly, while maintaining the engineering discipline needed to ensure solutions remain reliable, maintainable and effective.\nAs part of our team, you may be;\nRapidly developing bespoke tools and capabilities to meet emerging operational requirements.\nIntegrating and extending existing applications, frameworks and open-source tooling to deliver new outcomes.\nBuilding representative environments to test, evaluate and demonstrate solutions before deployment.\nIn this role you will be responsible for identifying, designing and delivering technical solutions in response to evolving customer needs. You will combine software development, automation, infrastructure and operational tooling to achieve outcomes efficiently, selecting the most appropriate technologies rather than defaulting to a single approach.\nYou will work closely with colleagues and customers to understand problems, validate ideas quickly and continuously improve delivered capabilities. You will mentor junior engineers, share practical knowledge across the team, and contribute to a culture of technical curiosity, collaboration and delivery-focused problem-solving.\nDesirable Skills\nSuccessful candidates will have strong experience in a subsection of the following skills:\nProficient in languages such as C, Python, Bash, Rust and Go to create quick prototypes or modifications to existing applications.\nExperience combining multiple technologies, tools and services to deliver capability quickly and effectively.\nA strong automation mindset, using scripting, orchestration and repeatable workflows to improve delivery speed and reduce manual effort, freeing you to work on more interesting aspects of your projects.\nUnderstanding of networking and security concepts, including technologies such as IP, TCP/UDP, DNS, TLS and Kerberos.\nExperience deploying and managing environments using technologies such as Docker, Ansible, Terraform or similar tooling.\nAbility to understand and reason about complex networked environments using technologies such as VLANs, VRFs, tunnels and routing protocols.\nStrong troubleshooting and problem-solving skills, with the ability to investigate unfamiliar technologies and integrate them into working solutions.\nThis vacancy is for experienced software engineers who enjoy tackling varied technical challenges and delivering impactful solutions through a combination of software development, automation, integration and practical engineering.\nWork Benefits\nPromotions are based on technical excellence and reviewed regularly.\n25 days holiday per year (with bank holidays on top), option to buy up to 5 days per year.\nLevel up with an extra day of holiday per year, up to an extra 5 days, starting from 2 years' service.\nWe offer financial support to cover HMRC allowable costs of relocating if you’re moving to the area.\nTraining and development opportunities to support your career aspirations\nO'Reilly books subscription which provides access to huge range of technical books\nRegular events including internal technical conferences, company socials and pizza-fuelled lunchtime seminars. \nFree seasonal fruit, tea, coffee, milk, squash and hot chocolate.\nHealth Benefits - Private medical including access to\nPrivate online GP, and a helpline to speak with various healthcare professionals.\nPhysiotherapists, osteopaths or chiropractors for muscle, bone, and joint pain.\nMental health - counselling, and specialist consultations and treatment with psychologists and cognitive behavioural therapists. \nAnnual Health assessment.\nFinancial Benefits\nA company bonus scheme so that everybody is rewarded for company success. This is an annual award that is based on the company hitting its targeted forecast. We have achieved this every year to date.\n8% company contribution to pension with no minimum requirement for employee contribution.\nDeath in Service cover of 4x base salary. \nLifestyle Benefits\nEnhanced maternity/paternity/adoption leave: 12 weeks maternity leave at full pay as soon as you join, further enhanced to 20 weeks full pay from 2 years’ service. 2 weeks paternity leave at full pay as soon as you join, further enhanced to 4 weeks full pay from 2 years’ service.\nEnhanced cycle-to-work scheme including the ability to purchase a bike over £1,000 (e-bikes, specialist cycles and trikes allowed).","description_format":"text","description_chars":5734,"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":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Cybersecurity","Information Security"],"lifecycle":[{"event":"open","at":"2026-10-11T12:24:39Z"}],"visa":[],"liveness":{"score":3,"band":"cold","label":"Long shot","p_open":1,"p_active":0.101,"p_room":0.28,"age_days":704,"expected_fill_days":25,"reasons":["conf:2","ghost","win:tail","crowd:"],"computed_at":"2026-10-12T06:55:09Z"},"pay":null,"html_url":"https://alion.io/job/coretech-security-rapid-cyber-software-engineer","json_url":"https://alion.io/job/coretech-security-rapid-cyber-software-engineer.json","meta":{"generated_at":"2026-10-12T14:17:42Z","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":22502,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-13T00:00:00Z"}},"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":3854592},"rest":"https://alion.io/mcp/rest/get_company?id=3854592"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fcoretech-security-rapid-cyber-software-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%2Fcoretech-security-rapid-cyber-software-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%2Fcoretech-security-rapid-cyber-software-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/coretech-security-rapid-cyber-software-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fcoretech-security-rapid-cyber-software-engineer"}]}