{"id":1637130,"url":"https://alion.io/job/viridien-network-engineer-2","title":"Network Engineer","company":{"id":3854033,"name":"Viridien","domain":"viridien.com","url":"https://alion.io/company/viridien","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":null},"role":"Networking","role_family":"Networking","seniority":"middle","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Haywards Heath, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":3,"visa_sponsorship":true,"relocation_package":false,"has_equity":false,"technologies":[{"name":"BGP","optional":false},{"name":"HPC","optional":false},{"name":"OSPF","optional":false},{"name":"TCP/IP","optional":false},{"name":"Azure","optional":true}],"status":"live","first_seen_at":"2026-08-07T00:00:00Z","employer_posted_date":"2026-08-07","last_verified_at":"2026-10-01T21:39:22Z","board_verified":true,"closed_at":null,"days_open":56,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":56},"description":"Viridien (www.viridiengroup.com) is an advanced technology, digital and Earth data company that pushes the boundaries of science for a more prosperous and sustainable future. With our ingenuity, drive and deep curiosity we discover new insights, innovations, and solutions that efficiently and responsibly resolve complex natural resource, digital, energy transition and infrastructure challenges.\nJob Summary\nWe are seeking for a Network Engineer to support the operation, reliability, and continuous improvement of its global enterprise and data centre network infrastructure.\nBased within the Network Operations team at the UK HPC Hub, this role is responsible for supporting enterprise, data centre, cloud-connected, security, and SD-WAN environments. You will contribute to operational support, infrastructure projects, and technology lifecycle activities while helping improve the resilience, performance, and security of Viridien's global network.\nAbout The Team\nYou will join our global Network Operations team, responsible for delivering and continuously improving secure, reliable, and high-performing network services that support Viridien's business, operational, and research activities worldwide. Working closely with infrastructure teams, vendors, and business stakeholders, you will help operate and enhance our data center, cloud, enterprise, WAN, wireless, and network security environments.\nThe team combines deep technical expertise with a collaborative, practical, and service-focused culture. We value ownership, clear communication, continuous learning, and teamwork across regions.\nKey Responsibilities\nSupport, maintain and troubleshoot enterprise network infrastructure across WAN, LAN, wireless, data center, cloud-connected and security environments.\n\nMonitor daily Data center operations.\n\nDeploy, configure and monitor routing, switching, firewall and network security platforms.\n\nInvestigate network incidents, contribute to root cause analysis and support preventative improvement actions.\n\nMonitor network availability, performance, health and capacity across critical services.\n\nParticipate in infrastructure projects, hardware refreshes, migrations and service improvement initiatives.\n\nWork with senior engineers to implement network enhancements and introduce new technologies.\n\nMaintain accurate technical documentation, diagrams, standards and operational procedures.\n\nSupport network security, resilience, compliance and lifecycle management activities.\n\nCollaborate with vendors, service providers and internal stakeholders to support operational and project requirements.\n\nParticipate in an on-call support rotation and occasional out-of-hours maintenance activities.\n\nQualifications\nRequired\nApproximately 3-5 years' experience supporting enterprise, datacentre, cloud-connected or service provider network environments.\nHands-on experience configuring, supporting and troubleshooting production network infrastructure.\nGood understanding of routing, switching, WAN, firewall and network security fundamentals.\nPractical knowledge of technologies such as BGP, OSPF, VLANs, QoS, VPNs and TCP/IP.\nExperience using monitoring, alerting or operational management platforms.\nStrong troubleshooting, analytical and problem-solving skills, with a practical and service-focused approach.\nAbility to work effectively within a collaborative technical team and build strong working relationships.\nStrong written and verbal communication skills.\nDemonstrates ownership, accountability and reliability in delivering work.\nComfortable working in a global, multicultural and highly technical environment.\nPreferred\nExperience with Arista, Aruba/HPE, Cisco, Dell, Palo Alto or Juniper technologies.\n\nExposure to SD-WAN and hybrid networking environments.\nFamiliarity with Azure networking or cloud connectivity solutions.\nKnowledge of datacentre networking technologies such as VXLAN, EVPN or MLAG.\nExperience with telemetry, observability or performance monitoring platforms.\nExperience with scripting or automation.\nIndustry certifications such as CCNA, CCNP, ACSP, ACMP, or PCNSA.\nDegree in Computer Science or a related discipline, or equivalent practical experience.\nCurious and motivated to continuously develop technical knowledge and skills.\nProactive in identifying opportunities for improvement and resolving issues.\nAble to balance operational responsibilities with project-based work.\nCommitted to continuous learning and professional development.\nWhy work with us?\nCompetitive salary commensurate with experience\n\nHighly attractive bonus scheme\n\nInitial 22 days annual leave with future increases, complemented by a flexible buying and selling holiday program\n\nCompany pension with generous employer contribution\n\nWellbeing Unmind app - puts you in control of your mental health\n\nA flexible benefits platform with numerous discount schemes - gym membership, restaurants, cinema tickets, and much more!\n\nRegular social club events, spontaneous reward events throughout the year\n\nCycle purchase scheme\n\nFlexible Private Medical & Dental care programs\n\nSponsorship of visas/comprehensive relocation packages\n\nBank Holiday Swap - our holiday swap program allows you to change it for another day of your choice!\n\nRelaxed dress code policy\n\nLearning and Development\nAt Viridien, we foster a culture of continuous learning and provide tailored training programs through our Learning Hub, designed to enhance technical, commercial, and personal growth.\nWe Care About The Environment\nWe encourage and actively support a strong sense of community, through volunteering and various company initiatives, as well as a strong company commitment to protecting our environment through sustainable solutions, energy saving and waste reduction enterprises.\nOur Hiring Process\nAt Viridien, we are committed to delivering a respectful, inclusive, and transparent recruitment experience.\nDue to the high volume of applications we receive, we may not be able to provide individual feedback to every applicant. Only candidates whose qualifications closely match the role criteria will be contacted for an interview. We do, however, aim to share personalized feedback with those who progress to the first round of interviews and beyond.\nWe are also dedicated to ensuring that our hiring process accessible to all. If you require any reasonable adjustments to fully participate in the application or interview stages, please don’t hesitate to contact your recruiter directly.\nWe see things differently. Diversity fuels our innovation, we value the unique ways in which we differ, and we are committed to equal employment opportunities for all professionals.","description_format":"text","description_chars":6672,"description_truncated":false,"requirements":{"experience_years_min":3,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Annual leave","Continuous learning","Gym membership","Professional development"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":true,"industries":[],"lifecycle":[{"event":"open","at":"2026-10-01T21:39:22Z"}],"liveness":{"score":26,"band":"fade","label":"Fading","p_open":1,"p_active":0.589,"p_room":0.45,"age_days":56,"expected_fill_days":30,"reasons":["conf:2","win:tail"],"computed_at":"2026-10-02T00:32:08Z"},"pay":null,"html_url":"https://alion.io/job/viridien-network-engineer-2","json_url":"https://alion.io/job/viridien-network-engineer-2.json","meta":{"generated_at":"2026-10-02T00:32:08Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":475,"day_limit":5000,"remaining_today":4525,"minute_limit":60,"resets_at":"2026-10-03T00:00:00Z"}}}