{"id":3270011,"url":"https://alion.io/job/reorbit-senior-network-and-ot-engineer","title":"Senior Network and OT Engineer","company":{"id":56772,"name":"ReOrbit","domain":"reorbit.space","url":"https://alion.io/company/reorbit","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Teamtailor","truth_index":{"grade":"A","score":88,"open_postings":24,"ghost_share":0,"stale_share":0.5,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-30T05:48:23Z"}},"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":["Helsinki, Finland"],"countries":["FI"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":46000,"max_usd":110000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":731},"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"VPN","optional":false},{"name":"Wi-Fi","optional":false},{"name":"ITIL","optional":true}],"status":"live","first_seen_at":"2026-08-17T13:51:09Z","employer_posted_date":"2026-08-17","last_verified_at":"2026-10-30T13:37:14Z","board_verified":true,"closed_at":null,"days_open":74,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":74},"description":"ReOrbit is looking for a Sr. Network & OT Engineer to own and develop the network infrastructure that connects our offices, manufacturing operations and mission-critical environments.\nAs our Sr. Network & OT Engineer, you will take ownership of ReOrbit’s global network architecture while playing a critical hands-on role in our manufacturing and clean-room environment. You will design, operate and secure the infrastructure that enables reliable connectivity across our sites, while ensuring that our Operational Technology (OT) networks can support the increasing scale and complexity of spacecraft production.\nYou will work closely with Engineering, Manufacturing, Security and Mission Operations teams to build a scalable, resilient and well-documented network environment. This is a role for someone who is equally comfortable defining architecture, troubleshooting critical infrastructure and being hands-on in production environments.\nIt's an exciting chance to join a dynamic start-up, with the opportunity to make a real impact, to reach our goal of pushing the boundaries of space data transfer. \nResponsibilities\nOwn the design and architecture of global network connectivity across all ReOrbit sites.\n\nDesign, upgrade and support network infrastructure across HQ and connected offices, ensuring performance, scalability and efficiency.\n\nOwn network monitoring, maintenance, troubleshooting and security across the global network estate.\n\nDesign and maintain LAN, WAN, Wi-Fi and VPN infrastructure for a multi-site organisation.\n\nDocument network architecture, technical standards and operational runbooks, creating a scalable foundation for future infrastructure growth.\n\nOwn the OT and clean-room network environment, including infrastructure, systems architecture, connectivity, access control and security.\n\nEnsure the reliability, scalability and security of mission-critical manufacturing and ground-segment network infrastructure.\n\nProvide 24/7 incident response for critical OT and production network environments.\n\nWork closely with Manufacturing, Clean-room and Mission Operations stakeholders to anticipate network capacity and infrastructure requirements ahead of production scale-up.\n\nStandardise network access controls and lead network integration activities as new sites and facilities are added.\n\nDrive Wi-Fi standardisation across Helsinki and connected offices.\n\nManage network-related support incidents end-to-end, ensuring the availability and redundancy of critical network links.\n\nIdentify infrastructure risks, performance bottlenecks and single points of failure, driving improvements before they impact operations.\n\nSkills and Requirements\n10+ years of experience in Network Engineering, with direct experience supporting industrial, OT or manufacturing network environments.\n\nHands-on experience designing and operating OT or industrial networks, including network segmentation, access control and security for production or clean-room environments.\n\nStrong experience designing and managing global network architectures across multi-site organisations, including LAN, WAN, Wi-Fi and VPN environments.\n\nExperience providing incident response and troubleshooting for mission-critical or production network infrastructure.\n\nStrong knowledge of network performance monitoring, redundancy design, capacity planning and troubleshooting at production scale.\n\nExperience standardising network access and integrating new sites into an existing network architecture.\n\nStrong documentation skills and experience creating network architecture documentation, technical standards and operational runbooks.\n\nExcellent communication and stakeholder management skills, with the ability to work effectively across Engineering, Manufacturing and Security teams.\n\nNice to have\nExperience working in space, aerospace or precision-manufacturing environments.\n\nCisco, Juniper or equivalent network certifications, such as CCNP or similar.\n\nExperience with clean-room or ISO-classified facility network requirements.\n\nExposure to ground-segment or satellite communications infrastructure.\n\nExperience using scripting or automation for network configuration, monitoring or operations.\n\nFamiliarity with ITIL or IT service management principles.\n\nAn interest in growing into a broader IT Infrastructure and Support leadership role.\n\nWhat does ReOrbit do?\nReOrbit builds the foundation for the next generation of space applications by transforming satellites into truly intelligent, interconnected platforms, defined by software. Our satellite design philosophy revolves around the idea that satellites must network, communicate with each other and thus improve mission efficiency. How can this be achieved? Thanks to a flexible software-first architecture, where all these aspects are dealt with upfront in the mission concept, as integrated functionalities.\nReOrbit’s top-notch team of software engineers and system architects develop in-house software, procure hardware from the best-in-class suppliers, and seamlessly integrate the components to create flexible and secure satellites. Today, we are a rapidly growing company building a very strong multidisciplinary team to support our activities. We are headquartered in Helsinki, Finland with a subsidiaries in Bristol, UK, Bariloche, Argentina and Bengaluru, India.\nWorking at ReOrbit\nAt ReOrbit, we are focused on building a strong team as we believe nothing can be accomplished without innovative, humble and curious minds working together on a common goal. We’re all about fostering an inclusive, dynamic environment where equality and diversity are our strength. \nWe offer\nChallenging but rewarding environment - you will thrive if you are always reflecting on how to make things better. Your ideas will be heard.\n\nAmbitious and supportive network of people, who are motivated to change the space industry, bringing expertise from both classic and new space .\n\nBenefits such as lunch vouchers, events, parties, occupational health care and additional health insurance - but most importantly a possibility to be a part of a unique and diverse team, connected by similar mindset and sense of humor. \n\nWe like to spend time together! You can choose activities whichever is to your liking - runOrbit, climbOrbit; become ping pong or board games champion.\n\nWe support relocation and integration into Finnish society.\n\nJoin us in our journey of building software enabled satellites for secure communications\nand, thus, creating the most compelling in space data flow company of the new space era.\nThe Company may require a security clearance for certain positions. Any such security clearance will be conducted in accordance with applicable law and the Company's relevant policies\nFor agencies: We do not accept unsolicited CVs for our open vacancies. Any CV sent to our team unsolicited will reserve us the right to pursue a candidate without obligation to the sender. 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