{"id":1453125,"url":"https://alion.io/job/marex-network-engineer","title":"Network Engineer","company":{"id":1821133,"name":"Marex","domain":"marex.com","url":"https://alion.io/company/marex-com","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Breezy","truth_index":{"grade":"B","score":80,"open_postings":9,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":4,"computed_at":"2026-10-01T05:45:00Z"}},"role":"Networking","role_family":"Networking","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":["London, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":56000,"max_usd":139000,"period":"year","method":"role_country_seniority_unknown","sample_n":9},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Ansible","optional":false},{"name":"AWS","optional":true},{"name":"Azure","optional":true},{"name":"BGP","optional":true},{"name":"MPLS","optional":true},{"name":"OSPF","optional":true},{"name":"Python","optional":true},{"name":"Terraform","optional":true},{"name":"VLAN","optional":true},{"name":"VPN","optional":true},{"name":"Wi-Fi","optional":true}],"status":"live","first_seen_at":"2026-09-29T08:22:13Z","employer_posted_date":"2026-09-29","last_verified_at":"2026-10-01T12:45:35Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"description":"About Marex\nMarex Group plc (NASDAQ: MRX) is a diversified global financial services platform providing essential liquidity, market access and infrastructure services to clients across energy, commodities and financial markets. The group provides comprehensive breadth and depth of coverage across four core services: clearing, agency and execution, market making, and hedging and investment solutions. It has a leading franchise in many major metals, energy and agricultural products, with access to 60 exchanges. The group provides access to the world’s major commodity markets, covering a broad range of clients that include some of the largest commodity producers, consumers and traders, banks, hedge funds and asset managers. With more than 40 offices worldwide, the group has over 3,000 employees across Europe, Asia and the Americas.\nFor more information visit https://www.marex.com/\nDepartment description\nMarex has unique access across markets with significant share globally both on and off exchange. The depth of knowledge amongst its teams and divisions provides its customers with clear advantage, and its technology-led service provides access to all major exchanges, order-flow management via screen, voice and DMA, plus award-winning data, insights, and analytics.\nWithin the Technology area, the Network Team is responsible for the overall IT network of the company. The Network Team is central to the success of the organisation and works with the global IT teams in Asia, Europe and North America to monitor and maintain the network systems to ensure maximum uptime and service delivery to the business.\nThis is an excellent opportunity to work within a dynamic and shifting network landscape, working across a multitude of technologies and vendors to achieve success. There is ample opportunity to participate in design and architecture discussions with the wider Network team and to learn from likeminded peers in a fast paced and interesting business landscape.\nVacancy Number: VN3064\nRole Summary\nThe Network team is responsible for the overall design, implementation, operation and maintenance of the Global network infrastructure. To provide support for the wider technology group and to ensure technical requirements are delivered as per mandated by the Network and Technology group. A thorough understanding of global network operations, and security best practices aligned with financial compliance and regulations, is important to the overall success of the team and business.\nWe are seeking a strong network engineer with a passion for automation and scripting to enhance and streamline our operations and engineering practices. The ideal candidate will leverage one or more scripting languages, Ansible, and Infrastructure as Code (IaC) tools to automate our configurations, monitoring, and troubleshooting.\nResponsibilities\nRole specific:\nProject network consultancy for different line of business for new technical network requirements.\nMaintenance of the Marex Network.\nOperational support for all network related issues.\nDesign/Implementation of new network requirements/changes.\nNetwork security design and implementation.\nProcuring equipment and managing of vendors.\nReporting network status to key stakeholders.\nAbility to work flexible hours and to work on a weekend when required. (overtime compensation).\nAdhere to the operational risk framework for your role ensuring that all regulatory or company determined parameters are complied with.\nRole model for demonstrating highest level standards of integrity and conduct and reflecting\nThe Company may require you to carry out other duties time to time. \nAll staff:\nEnsuring compliance with the company’s regulatory requirements under the FCA, NFA, AMF, AFM, MAS. \nAdhere to the operational risk framework for your role ensuring that all regulatory or company determined parameters are complied with. \nRole model for demonstrating highest level standards of integrity and conduct and reflecting Company Values. \nAt all times complying with the FCA’s Code of Conduct \nTo ensure that you are fully aware of and adhere to internal policies that relate to you, your role or any other activities for which you have any level of responsibility \nTo report any breaches of policy to Compliance and/ or your supervisor as required \nTo escalate risk events immediately \nTo provide input to risk management processes, as required.\nCompetencies, Skills, Experience & Qualifications:\nSkills and Experience:\nPrevious experience of working in the banking/finance industry is highly desirable.\nQualifications: #CCNP, JNCIP, JNCIS, PCNSE or equivalent certification is desirable.\nNetwork WAN Technologies:MPLS, IPSEC VPN, SD-WAN, QOS, NAT, SASE\n\nRouting and Switching protocols:BGP/OSPF/EIGRP.\nWifi, STP, RSTP, VLAN, HSRP, VRRP, VRF, MLAG, Etherchannel, Multicast PIM Sparse and dense mode.\n\nSecurity:NextGen Layer 7 firewalling, User-ID, SSL decryption, Network Access Control,\nRadius/TACACS.\n\nCloud networking:Strong working knowledge of AWS and Azure cloud networking is required\nAWS - VPC’s, Transit Gateways, Direct Connects, VPN Gateways.\nAzure - Vnet, VPN GWs, Express route.\n\nAutomation:Python (Netmiko,NAPALM), Ansible playbook design and deploy. Terraform IaC Process automation.\n\nVendors:Palo Alto, Cisco, Juniper, Arista, Aruba (wifi/Clearpass).\n\nHardware:PA220,440,3200 series firewalls, Panorama.\nCisco 9200/9300/4500.\nCisco Nexus 9k.\nJuniper MX series routers.\nArista 7k series.\nAruba Access points and Clearpass NAC.\n\nTroubleshooting:IP network packet troubleshooting and analysis.\nLAN network device troubleshooting.\nWAN network device troubleshooting.\nFirewall security troubleshooting.\n\nDesign and Architecture:WAN/Campus LAN network design and implementation.\nFirewall DMZ design and implementation.\nUnderstanding of different exchange connectivity (e.g. CME, SGX, ICE, Eurex, LME).\nDMA (Direct Market Access) and low-latency network design/experience is desirable\n\nCompetencies:\nProject management skills from inception to delivery\nResilient in a challenging, fast-paced environment\nStrategic collaborator with insight and agility, able to anticipate future challenges,\nensuring operational effectiveness\nProvide input to risk management processes, as required.\nExperience working in a regulated environment and knowledge of the risk and compliance requirements associated with this.\nForward thinking\nStrong Oral and Written Communication Skills\nMotivational Skills\nResults-Oriented\nStrong analytical and troubleshooting skills\nConduct Rules, You must:\nAct with integrity\nAct with due skill, care and diligence\nBe open and cooperative with the FCA, the PRA and other regulators\nPay due regard to the interests of customers and treat them fairly\nObserve proper standard of market conduct\nAct to deliver good outcomes for retail customers\nCompany Values\nBe collaborative - by working together across the organisation, we foster teamwork, can better respond to challenges and successfully deliver for our clients\nAct with integrity - we pride ourselves on our honesty and high ethical standards. We apply these values when working with all our clients, colleagues and other stakeholders\nBe adaptable and entrepreneurial - we embrace change as markets evolve to constantly increase our efficiency and create innovative solutions for our clients. We are interested in the world around us and inquisitive about understanding the challenges and opportunities our clients face.\nBe respectful - how we treat each other, and our clients says everything about who we are. We always act respectfully and treat people fairly in everything we do.\nNurture talent - we aim to grow our own talent and make Marex the place ambitious, hardworking and talented people choose to build their career. This means giving and taking stretch opportunities, taking risks, and committing to career development and support - for ourselves, and our teams.\nMarex is fully committed to being an inclusive employer and providing an inclusive and accessible recruitment process for all. We will provide reasonable adjustments to remove any disadvantage to you being considered for this role. We value the differences that a diverse workforce brings to the company. We welcome applications from candidates returning to the workforce. Also, Marex is committed to avoiding circumstances in which the appearance or possibility of conflicts of interest may exist within the hiring process.\nIf you would like to receive any information in a different way or would like us to do anything differently to help you, please include it in your application.","description_format":"text","description_chars":8602,"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":[],"lifecycle":[{"event":"open","at":"2026-09-29T08:28:39Z"}],"liveness":{"score":73,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.771,"p_room":0.945,"age_days":1,"expected_fill_days":4,"reasons":["conf:3","velocity","win:mid"],"computed_at":"2026-10-01T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/marex-network-engineer","json_url":"https://alion.io/job/marex-network-engineer.json","meta":{"generated_at":"2026-10-01T20:07:39Z","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":2790,"day_limit":5000,"remaining_today":2210,"minute_limit":60,"resets_at":"2026-10-02T00:00:00Z"}}}