{"id":1529957,"url":"https://alion.io/job/ryan-senior-network-engineer-it-infrastructure","title":"Senior Network Engineer, IT Infrastructure","company":{"id":1853398,"name":"Ryan","domain":"ryan.com","url":"https://alion.io/company/ryan-com","size_band":"1001-5000","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":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["London, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":61000,"max_usd":151000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":359},"experience_years_min":7,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"DHCP","optional":false},{"name":"DNS","optional":false},{"name":"ITIL","optional":false},{"name":"MPLS","optional":false},{"name":"Service Desk","optional":false}],"status":"live","first_seen_at":"2026-09-30T15:58:05Z","employer_posted_date":"2026-09-30","last_verified_at":"2026-10-01T02:56:53Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":1},"description":"Why Ryan?\nCompetitive Compensation and Benefits\nBusiness Connectivity Reimbursement (Phone/Internet)\nGym Membership or Equipment Reimbursement\nLinkedIn Learning Subscription\nFlexible Work Environment\nTuition Reimbursement After One Year of Service\nAccelerated Career Path\nAward-Winning Culture & Community Outreach\nThe Senior Network Engineer is responsible for architecting, designing and managing all facets of Network Administration, Telephone Systems, and Video Administration for Ryan. Role will design and provide day to day support within the Network and Telecommunications department focusing on network switches, routers, load balancers, firewalls, cabling, wireless solutions, IDS devices and external connectivity. The Senior Network Engineer demonstrates superb technical competency and time management skills to deliver mission critical infrastructure and ensure the highest levels of availability, performance, and security. This role will be the highest technical role for the Network team.\nDuties and responsibilities, as they align to Ryan’s Key Results\nPeople:\nCreate a positive team member experience.\nAct as a technical reference for staff on existing and upcoming technologies.\nOwn and successfully deliver infrastructure projects that span beyond only network-based technologies.\nManage and deliver multiple projects with excellent time management and leadership skills.\nMonitor and test application performance for potential bottlenecks, identify possible solutions, and work with developers to implement those fixes.\nCross trains other members of the Information Technology department.\nProvide 3rd level support.\nSupport, train, and assist the Service Desk team as needed.\nPerforms on-call duties on a rotational basis.\nValue:\nArchitects, develops, and maintains Ryan network infrastructure inventory and roadmap including detailed schedules and designs.\nAbility to troubleshoot system and application issues from all levels of the infrastructure stack, not only network.\nEstablishes and maintains technology support competencies to support system, network, and telephone administration technologies and responsibilities including performance metrics identification and adherence.\nArchitects, develops, and manages Ryan infrastructure platforms as highly available, high-performing business systems.\nIdentifies and assists with enterprise Data Security planning and achievement, including Disaster recovery planning and testing.\nAdopts appropriate elements of ITIL standards for maturity in Service Management processes, particularly Incident, Problem, Change, and Configuration Management.\nManages implementation and support of Firm technology strategies and initiatives.\nMeasures and improves key performance indicators of IT Infrastructure technologies, capacities, project completion, and problem resolution.\nMaintains appropriate technologies and documentation related to SAS70, PCI, and other compliance initiatives.\nEducation and Experience:\nKnowledge of computer/network principles at a level normally acquired through completion of a Bachelor’s degree in relevant technology field, or acquired through combination of education and experience, is required. \nMore than 7 years of Networking Engineering experience in medium to large multi-location company managing networks and telephony.\nMore than 15 years of technical support experience in medium to large multi-location company.\nMust be able to train others quickly and thoroughly on key networking concepts.\nA polished, professional demeanor with good interpersonal skills.\nSecurity management experience including firewall configurations, IDS configuration, and audit compliance reporting.\nExperience selecting and managing MPLS vendors is required. Experience with WAN optimization preferred.\nExperience using, evaluating and selecting network management and troubleshooting tools.\nExperience with designing multi-location architecture.\nExperience with unified communication tools a plus.\nMust be accustomed to following Incident and Change management processes.\nOutstanding capabilities working to plan and meeting deadlines. Exceptional ability to manage multiple priorities.\nMust have excellent interpersonal skills in communications with all levels of personnel, vendors and IT personnel.\nAbility to work under pressure and time constraints.\nAbility to work in a team environment.\nExcellent business analysis and problem-solving skills.\nAbility to work with people of varying technical skills.\nQuick, analytical thinker.\nAbility to effectively communicate complex concepts.\nAbility to collaborate to determine the most appropriate technical strategies and designs to meet business need.\nComputer Skills:\nTo perform this job successfully, an individual should have advanced knowledge of DHCP/DNS, subnets, multiple routing protocols, switching, firewalls/policy NAT/rules, spanning tree, VoIP, QoS, VLANs, LAN/WAN technologies, load balancers and wireless technologies.\nCertificates and Licenses:\nCCNP and CCIE certifications are required. CEH or CCDP certification is a plus.\nSupervisory Responsibilities:\nThis position has no supervisory responsibilities.","description_format":"text","description_chars":5148,"description_truncated":false,"requirements":{"experience_years_min":7,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Flexible schedule","Gym membership"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Financial Services","Tax Advisory & Preparation"],"lifecycle":[{"event":"open","at":"2026-09-30T15:58:05Z"}],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":0,"expected_fill_days":40,"reasons":["conf:2","velocity","win:early","comp:brand"],"computed_at":"2026-10-01T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/ryan-senior-network-engineer-it-infrastructure","json_url":"https://alion.io/job/ryan-senior-network-engineer-it-infrastructure.json","meta":{"generated_at":"2026-10-02T00:01:59Z","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":10,"day_limit":5000,"remaining_today":4990,"minute_limit":60,"resets_at":"2026-10-03T00:00:00Z"}}}