{"id":2282968,"url":"https://alion.io/job/coretech-security-cyber-security-researcher","title":"Cyber Security Researcher","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":58000,"max_usd":136000,"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":"C++","optional":false},{"name":"Ghidra","optional":false},{"name":"IDA Pro","optional":false},{"name":"Machine Learning","optional":false},{"name":"Python","optional":false},{"name":"Windows","optional":false},{"name":"Wireshark","optional":false}],"status":"live","first_seen_at":"2023-06-06T08:31:48Z","employer_posted_date":"2023-06-06","last_verified_at":"2026-10-13T00:21:59Z","board_verified":true,"closed_at":null,"days_open":1224,"trust":{"level":"ghost","repost_count":0,"flags":["stale","company_stale"],"days_open":1223},"description":"CoreTech is looking for candidates with a STEM background, which may also include experience of research, cyber security or ethical hacking, to join our team. Our team is highly experienced, deeply technical and passionate about delivering quality solutions that blend rapid development, security research and software engineering skills.\nOur Research team uses a wide range of tools, programming languages and emerging technologies to develop rapid prototypes, minimal viable products and world-class research that has meaningful real-world impact. The work is conducted in a fast-paced and dynamic environment, which results in solutions to some of the most complex cyber security challenges faced by the UK. This means no two days are the same and project requirements can quickly change based on your experience, understanding and input.\nWe are looking for skills in a variety of technologies, but experience with C, C++, Python, operating system internals, embedded systems, network packet analysis or machine learning would be advantageous. Equally, the role requires an inquisitive mindset, persistence, and enthusiasm for solving difficult research tasks, which can often appeal to those with a technologist, scientific or mathematical background.\nAs part of our team, you will\nWork alongside hugely talented and respected researchers, vulnerability researchers and software engineers.\nTackle a wide range of challenging problems using various technologies.\nConduct cutting-edge, novel and world-leading research.\nDesign and produce niche solutions with immediate real-world impact.\nUse your skills and experience to propose new ways of doing things.\nContinually learn new skills and technologies.\nAn ideal candidate will\nHave a passion for cyber security and/or technology.\nThrive on solving difficult and complex problems. \nHave a genuine interest in how technology works and how it can be applied in different ways.\nEnjoy sharing their knowledge and working with team members. \nWork with various technologies and programming languages, with uncertain outcomes, to achieve something new. \nYour Experience\nReverse engineering in IDA Pro or Ghidra. \nFamiliarity with Wireshark or other network packet analysis tooling.\nEthical hacking. \nNetwork and protocol analysis.\nHardware debugging (UART, JTAG, SWD).\nKnowledge of exploitation techniques and mitigations.\nExperience and knowledge of operating system internals, including Linux, Windows and embedded systems.\nExperience and knowledge of Android or iOS, and its internals.\nFamiliarity with C, C++ or Python.\nRF technologies and Software Defined Radio.\nAn inquisitive nature.\nProblem solver.\nWe are recruiting at all grades from consultants through to highly experienced principal consultants. This vacancy is aimed at our consultant, through to our Senior level grades\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":4698,"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":1223,"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-cyber-security-researcher","json_url":"https://alion.io/job/coretech-security-cyber-security-researcher.json","meta":{"generated_at":"2026-10-13T02:43:17Z","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":4171,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-14T00:00:00Z"}},"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-cyber-security-researcher"},{"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-cyber-security-researcher"},{"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-cyber-security-researcher"},{"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-cyber-security-researcher\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fcoretech-security-cyber-security-researcher"}]}