{"id":1520439,"url":"https://alion.io/job/mbda-careers-network-security-engineer-soc","title":"Network Security Engineer (SOC)","company":{"id":1963464,"name":"MBDA UK","domain":"mbdacareers.co.uk","url":"https://alion.io/company/mbdacareers","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":75,"open_postings":34,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-05T05:45:15Z"}},"role":"Security","role_family":"Security","seniority":null,"employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Stevenage, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":57000,"max_usd":125000,"period":"year","method":"role_country_seniority_unknown","sample_n":108},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"DNS","optional":false},{"name":"Nagios","optional":false},{"name":"TCP/IP","optional":false},{"name":"Darktrace","optional":true},{"name":"LDAP","optional":true},{"name":"Splunk","optional":true}],"status":"live","first_seen_at":"2026-08-18T00:00:00Z","employer_posted_date":"2026-08-18","last_verified_at":"2026-10-06T03:08:32Z","board_verified":true,"closed_at":null,"days_open":49,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":49},"description":"An exciting opportunity for a passionate Network Security Engineer to join a unique, multi-national Information Management function. Ideal candidates should be committed to protecting our critical systems and ensuring the integrity and security of our network infrastructure.\nSalary: Circa £50,000 depending on experience + shift allowance\nDynamic (hybrid) working: 5 days per week on-site due to workload classification, working a 24/7 Shift Pattern\nSecurity Clearance: British Citizen\nThis role will require DV Clearance. Restrictions and/or limitations relating to nationality and/or rights to work may apply. As a minimum and after offer stage, all successful candidates will need to undergo HMG Basic Personnel Security Standard checks (BPSS) and a Security Check (SC) clearance, which are managed by the MBDA Personnel Security Team.\nWhat we can offer you:\n Company bonus: Up to £2,500 (based on company performance and will vary year to year)\n Pension: maximum total (employer and employee) contribution of up to 14%\nOvertime: opportunity for paid overtime\nFlexi Leave: Up to 15 additional days\nEnhanced parental leave: offers up to 26 weeks for maternity, adoption and shared parental leave -enhancements are available for paternity leave, neonatal leave and fertility testing and treatments\nFacilities: Fantastic site facilities including subsidised meals, free car parking and much more…\nThe opportunity:\nJoin our forward thinking team as a Network Security Engineer, where you will play a key role in safeguarding our organisations’ network infrastructure as part of the 24x7 Internal Security Response (ISR) team.\nWhen not involved in incident response and triage activity with the SOC team, you will be responsible for designing, implementing and maintaining robust security solutions to protect against evolving threats. Collaborating with cross-functional teams, you will work on implementing changes securely, identifying vulnerabilities, managing security incidents and ensuring compliance with industry best practices.\nThe role will be involved in the optimisation of network security tools to remediate “purple team” highlighted areas identified for improvement. You will also have the opportunity to immerse your time into the standardisation of network tools.\nThis is a dynamic opportunity to contribute to security initiatives, solve complex challenges, and have a direct impact on the overall resilience of our IT environment.\nIf you are passionate about security and proactive defence, this role is the perfect fit.\nIf you are looking to leverage your technical skills in a values-led company that values innovation and diversity, this is the place to make an impact.\nWhat we're looking for from you:\nESSENTIALS\nSolid understanding of networking principles (TCP/IP, DNS, routing, switching, VLANS and load balancing)\nStrong expertise in configuring, maintaining and troubleshooting firewalls e.g. Cisco, Checkpoint, Palo Alto\nDemonstrable hands-on experience in next-gen firewalls and advancing security features like IPS/IDS, SSL decryption and deep packet inspection.\nProven experience in managing secure proxy solutions (e.g. Bluecoat, F5) and the ability to implement policies for content filtering, SSL inspection and network traffic monitoring.\nIn depth knowledge of security protocols such as IPSec, SSL / TLS, VPNs and two factor authentication.\nUnderstanding of network architectures and security zones (DMZ, internal networks).\nProficient in monitoring technologies e.g. PRTG, Nagios.\nDESIRABLES\nUnderstanding of cyber security capabilities and their integrations to networks infrastructure.\nExisting knowledge of / aptitude to learn Darktrace Antigena and Respond, Splunk ES or Log Rhythm tools.\nStrong ability to interpret complex information via use of packet capture in order to identify malicious traffic in detail, revealing attacker behaviours like C2, exploitation, lateral movement, or data exfiltration.\nProven ability to review SOC alerting in collaboration with SOC analysts to effectively triage and manage Tier 1 SOC alerts to the appropriate outcome.\nExperience with LDAP, and application traffic flow root cause analysis.\nPrevious experience to identify root cause from (TBC for review - Demonstrable understanding of the OSI Reference Model and the network communication protocols, including but not limited to DNS, HTTP/S, SSL, SMTP, FTP/S, LDAP/S. Demonstrable experience with Security Information Event Monitoring Tools and/or Network Packet Capture tools).\nOur company: Peace is not a given, Freedom is not a given, Sovereignty is not a given\nMBDA is a leading defence organisation. We are proud of the role we play in supporting the Armed Forces who protect our nations. We partner with governments to work together towards a common goal, defending our freedom.\nWe are proud of our employee-led networks, examples include: Gender Equality, Pride, Menopause Matters, Parents and Carers, Armed Forces, Ethnic Diversity, Neurodiversity, Disability and more…\nWe recognise that everyone is unique, and we encourage you to speak to us should you require any advice, support or adjustments throughout our recruitment process.\nFollow us on LinkedIn (MBDA), X (@MBDA_UK), Instagram (MBDA_UK) and Glassdoor or visit our MBDA Careers website for more information.","description_format":"text","description_chars":5308,"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":["Parental leave"],"hiring_locations":[{"name":"United Kingdom","iso":"GB","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Network Security","Incident Response","Professional Services","Missiles"],"lifecycle":[{"event":"open","at":"2026-09-30T11:33:47Z"}],"visa":[{"country":"GB","licensed_sponsor":true,"evidence":"Licensed UK visa sponsor (Senior or Specialist Worker, Skilled Worker)","filings_12m":null,"filings_prev_12m":null,"green_card_filings_12m":null,"median_offered_wage_usd":null,"route":"Global Business Mobility: Senior or Specialist Worker; Skilled Worker","cap_exempt":false,"checked_at":"2026-10-03T21:09:13+00:00","sources":["UK Home Office: register of licensed sponsors (workers)"],"filings_for_role_12m":0}],"liveness":{"score":7,"band":"cold","label":"Long shot","p_open":1,"p_active":0.261,"p_room":0.28,"age_days":48,"expected_fill_days":21,"reasons":["conf:2","stale_co","velocity","win:tail","crowd:brand"],"computed_at":"2026-10-05T05:45:15Z"},"pay":null,"html_url":"https://alion.io/job/mbda-careers-network-security-engineer-soc","json_url":"https://alion.io/job/mbda-careers-network-security-engineer-soc.json","meta":{"generated_at":"2026-10-06T03:20:15Z","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","counted_by":"address","units_charged":1,"used_today":4913,"day_limit":5000,"remaining_today":87,"minute_limit":60,"resets_at":"2026-10-07T00:00:00Z"}},"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":1963464},"rest":"https://alion.io/mcp/rest/get_company?id=1963464"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fmbda-careers-network-security-engineer-soc"},{"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%2Fmbda-careers-network-security-engineer-soc"},{"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%2Fmbda-careers-network-security-engineer-soc"},{"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/mbda-careers-network-security-engineer-soc\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fmbda-careers-network-security-engineer-soc"}]}