{"id":4236606,"url":"https://alion.io/job/owens-corning-operational-technology-otics-network-engineer","title":"Operational Technology (OT/ICS) Network Engineer","company":{"id":1764639,"name":"Owens Corning","domain":"owenscorning.com","url":"https://alion.io/company/owenscorning-com","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SuccessFactors","truth_index":null},"role":"Networking","role_family":"Networking","seniority":"middle","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Tampa, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Defense in Depth","optional":false},{"name":"Least Privilege","optional":false},{"name":"OPC UA","optional":false},{"name":"Splunk","optional":false},{"name":"VLAN","optional":false},{"name":"Wireshark","optional":false},{"name":"DHCP","optional":true},{"name":"DNS","optional":true},{"name":"TCP/IP","optional":true}],"status":"live","first_seen_at":"2026-10-29T07:00:00Z","employer_posted_date":"2026-10-29","last_verified_at":"2026-11-13T11:54:50Z","board_verified":true,"closed_at":null,"days_open":15,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":15},"description":"PURPOSE OF THE JOB\nAs Owens Corning accelerates its IT/OT convergence and Digital Manufacturing strategy, the OT Network Engineerplays a critical role in enabling secure, reliable, and scalable manufacturing operations across our global manufacturing footprint. This position is responsible for deploying, supporting, and continuously improving Operational Technology (OT) network infrastructure while embedding cybersecurity across industrial control system (ICS) environments. This role partners with manufacturing, engineering, cybersecurity, and technology teams to evaluate emerging technologies, develop and implement global OT standards, and translate architecture strategies into practical site solutions that improve connectivity, resiliency, visibility, and operational performance. Through the deployment of the Manufacturing Digital Reference Architecture (MDRA) and other strategic digital initiatives, this role assists in accelerating Owens Corning's digital transformation while ensuring the security, availability, and long-term sustainability of manufacturing operations\nAs a key contributor to the Manufacturing Digital Reference Architecture (MDRA), the OT Network Engineer partners with plant teams, engineering, cybersecurity, enterprise infrastructure, application owners, and delivery partners to modernize industrial networks across Owens Corning manufacturing sites. The role provides hands-on technical leadership from assessment and detailed design through implementation, operational readiness, turnover, and lifecycle support.\nReports to: Manufacturing Security & Infrastructure Leadership\nSpan of Control: Individual Contributor; will coordinate work of third-party resources\nJOB RESPONSIBILITIES\nKnowing Our Businesses and their Strategies\nDevelop and maintain a strong understanding of Owens Corning specific business processes and operations locally and globally \nBuild relationships within the organization, cross-functionally, and with key business stakeholders; continuously enhance connection to remain aligned with core objectives \nUnderstand how IT/OT Security and services are directly aligned with the company's strategic objectives by regularly engaging with key business stakeholders\nExecuting Strategy\nOT Network Engineering and MDRA Deployment \nImplementing designs, configure, test, deploy, and support secure industrial network solutions across Owens Corning manufacturing sites, including switching, routing, firewalls, wireless, network services, and remote connectivity. \nExecute MDRA network deployments using approved architecture patterns, engineering standards, bills of material, configuration templates, validation plans, and turnover requirements. \nPerform site network assessments; document current-state topology, asset dependencies, risks, capacity constraints, and gaps; and develop practical remediation and modernization recommendations. \nProduce detailed logical and physical designs, network diagrams, IP and VLAN plans, firewall and access requirements, rack and cabling specifications, implementation plans, test scripts, and as-built documentation. \nApply defense-in-depth principles, segmentation, zones and conduits, secure management practices, and least privilege connectivity while accounting for the availability and safety requirements of industrial operations. \nPartner with controls and automation engineers to support industrial protocols, PLCs, HMIs, historians, supervisory systems, industrial servers, edge platforms, and other connected manufacturing technologies. \nPlan and execute changes in active manufacturing environments with disciplined risk assessment, communication, rollback planning, validation, and production handoff. \nSupport capital projects, plant expansions, equipment integrations, and digital manufacturing initiatives by defining network requirements early and ensuring solutions align to global standards. \nSupport Digital Manufacturing initiatives by designing and deploying OT network infrastructure, systems that enable advanced manufacturing technologies, industrial data platforms, analytics, automation, connectivity, and operational visibility solutions.\nReliability, Operations, and Lifecycle Management \nMonitor network health, availability, capacity, configuration compliance, and performance using approved visibility and management platforms; identify trends and act before they affect production. \nProvide Tier 3 technical support for complex OT network incidents, lead structured troubleshooting and root cause analysis, and implement sustainable root cause fixes. \nMaintain configuration backups, software and firmware standards, lifecycle records, spares recommendations, and refresh plans for industrial network infrastructure. \nDevelop and improve operational playbooks, support procedures, escalation paths, maintenance practices, and recovery methods that improve site support readiness. \nValidate that solutions are operationally supportable before turnover, including monitoring, backup, alerting, documentation, ownership, training, and vendor support arrangements. \nParticipate in planned maintenance and critical incident response outside normal business hours when manufacturing operations require support. \nCybersecurity, Standards, and Governance \nEmbed cybersecurity into network design and implementation in partnership with OT Security\nAssess network, industrial control system and digital manufacturing innovative technology designs for security, resiliency, and supportability gaps; clearly communicate risk and recommend proportionate mitigations. \nApply Owens Corning policies and recognized practices for industrial environments, including Purdue-model concepts, ISA/IEC 62443 principles, NIST guidance, and secure network architecture patterns. \nContribute field experience and lessons learned to the continuous improvement of OT network standards, reference designs, configuration baselines, and deployment methods. \nSupport architecture and project governance reviews by presenting technical designs, options, risks, dependencies, cost considerations, and support models. \nBusiness Partnership and Delivery Leadership \nBuild trusted relationships with plant leadership, maintenance, controls engineering, process engineering, capital delivery, enterprise IT, cybersecurity, application teams, and external partners. \nTranslate technical issues into clear business impacts involving production, safety, quality, cost, schedule, and cyber risk; communicate recommendations to both technical and nontechnical audiences. \nCoordinate integrators and vendors, review work quality, verify adherence to Owens Corning standards, and ensure complete documentation and knowledge transfer. \nManage assigned work with strong ownership of scope, schedule, risks, dependencies, status communication, and deliverables across multiple sites or projects. \nShare knowledge, coach site and support teams, and contribute to a culture of standardization, continuous learning, inclusion, and operational excellence. \nInfluencing in the Function\nIdentify areas of waste (process, time, etc.) and ideate and execute action plans to create productivity \nLead or participate in special projects that support the long-term strategic goals of the business and/or organization \nIdentify opportunities to improve effectiveness, value, and perception of the function \nDeveloping Talent\nInvest in personal growth and development, clearly focused on self-learning \nAlways strive to elevate the capabilities of the team and GIS organization across the company, drive change management, and technology adoption\nJOB REQUIREMENTS\nMINIMUM QUALIFICATIONS\nBachelor's degree in network engineering, computer science, information technology, electrical or controls engineering, or a related field; equivalent relevant experience may be considered in lieu of a degree. \n3 to 5 years of progressive experience designing, implementing, and supporting enterprise or industrial networks, including at least two years supporting manufacturing, OT, industrial automation, or other high-availability operational environments. \nDESIRED EXPERIENCE\nExperience with industrial protocols and use cases, including EtherNet/IP, PROFINET, Modbus TCP, OPC UA, and CIP; deep expertise in every protocol is not required. \nExperience with Palo Alto Networks or comparable next-generation firewalls, Cisco Identity Services Engine, network access control, industrial wireless, and secure vendor remote access. \nExperience with network monitoring, configuration backup, asset visibility, packet analysis, and log analytics platforms such as NCM, PRTG and Wireshark, or Splunk. \nExperience delivering network infrastructure through site assessments, detailed design, staging, factory or site acceptance testing, cutover, stabilization, and operational turnover. \nUnderstanding of Purdue-model architecture, zones and conduits, ISA/IEC 62443, NIST Cybersecurity Framework, and practical risk management for legacy industrial systems. \nExperience working with capital projects, engineering firms, system integrators, managed service providers, and equipment manufacturers in a global organization. \nCisco CCNA or equivalent demonstrated capability. CCNP Enterprise, Cisco industrial networking credentials, PCNSE, GICSP, or ISA/IEC 62443 training is a plus. \nKNOWLEDGE, SKILLS & ABILITIES\nHands-on experience configuring and troubleshooting Cisco routing and switching technologies; experience with industrial Ethernet platforms such as Cisco Industrial Ethernet or Rockwell Automation Stratix is strongly preferred. \nSolid working knowledge of Ethernet, TCP/IP, subnetting, VLANs, trunking, spanning tree, routing, first-hop redundancy, multicast, quality of service, DHCP, DNS, NTP, SNMP, syslog, and network address translation. \nExperience implementing or supporting network segmentation, firewalls, access control, secure remote access, and network management practices. \nAbility to interpret packet captures, logs, monitoring data, configurations, and network diagrams to isolate complex connectivity and performance issues. \nWorking knowledge of industrial control system architecture and common OT components such as PLCs, HMIs, SCADA, DCS, historians, industrial servers, and edge devices. \nAbility to create accurate technical documentation, including logical and physical diagrams, configuration records, implementation procedures, test plans, and support documentation. \nDemonstrated ability to work independently, manage multiple priorities, collaborate across functions, and deliver results in environments where production availability is critical. \nClear written and verbal communication skills, sound judgment, attention to detail, curiosity, and a strong safety, security, and customer-service mindset. \nBalances technical rigor with practical manufacturing needs and makes decisions that protect safety, availability, quality, and security. \nUses structured problem solving and data to diagnose issues, evaluate alternatives, and drive durable solutions. \nInfluences without formal authority and works effectively across plant, regional, global, IT, OT, cybersecurity, engineering, and vendor teams. \nCommunicates complex technical concepts in concise, business-relevant language and raises risks early with recommended actions. \nDemonstrates ownership, learning agility, resilience, and a continuous improvement mindset. \nBuilds reusable solutions and promotes standardization while recognizing when site conditions require thoughtful engineering judgment. \nAbility to effectively lead the work of external/third party resources \nAbility to travel up to 50%, including occasional international travel and planned off-hours implementation support. \nAbout Owens Corning\nOwens Corning is a branded building products leader with three complementary market-leading businesses providing roofing, insulation, and doors primarily for residential markets in North America and Europe. 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