Senior Network Security Engineer

Location Cleveland OHCleveland-Cliffs is seeking a hands-on Senior IT Network Engineer to design deploy and maintain the enterprise network with a strong emphasis on the automation and observability solutions that keep it reliable secure and supportable. Reporting to the IT Network Manager and working alongside a team of experienced Network and Network Security Engineers this senior role is automation-first - treating manual repetitive work as a problem to be solved through code orchestration and intelligent tooling. The engineer brings a DevOps mindset to network operations NetDevOps applying version control infrastructure-as-code CICD pipelines and automated testing to how the network is built changed and validated. Security is embedded in the work the engineer builds visibility and automation that strengthen the organizations security posture and support rapid detection and response across corporate mining and steelmaking operations in a multi-site environment. As a senior member of the team the engineer serves as a technical leader and mentor and is curious about how emerging AI-based technologies can improve network operations and security. Success in this role is measured by execution automation delivered visibility improved and incidents detected and resolved quickly. This position is critical in supporting the success of Cleveland-Cliffs and provides excellent opportunity for career growth and progression.Summary of ResponsibilitiesDevelop maintain and optimize our monitoring and observability infrastructure - including monitoring logging and tracing capabilities - to ensure high availability scalability and securityDesign and build automation to streamline deployment configuration monitoring and incident response reducing manual effort and improving consistency across the environmentApply DevOps practices to network operations - including version control infrastructure-as-code CICD pipelines and automated testing and validation - to deliver changes faster and more reliablyManage network configurations and automation code in source control with peer review change tracking and repeatable auditable deployment workflowsBuild and maintain security monitoring alerting and telemetry that improve threat visibility support detection and response and feed security operations and incident response workflowsAutomate security-related tasks such as configuration compliance firewall and access policy validation device hardening and patch and firmware remediation to enforce cybersecurity standards at scaleApply AI-based technologies and analytics to improve anomaly detection event correlation root cause analysis and predictive network operationsServe as a hands-on technical resource for complex configuration troubleshooting and escalation activities in production environmentsExecute automation and observability initiatives end to end - scoping scheduling tracking milestones and delivering on commitment datesPartner with Cyber Security and plant engineering teams on secure network operations including visibility and segmentation between IT and operational technology OT environmentsSupport network security operations by providing the monitoring data automation and integrations needed for firewall NAC VPN and segmentation technologiesContinuously research evaluate and recommend new automation DevOps observability security and AI-driven tools and technologies that improve the reliability security and supportability of the network environmentReport project status risks and operational and security metrics to leadership on a regular cadenceSupport a 24x7x365 fast-paced operational environment including participation in on-call escalationTravel to other Cleveland-Cliffs locations as required approximately 10Perform other duties as assigned responsibilities may evolve with business needs technical developments or operational requirementsMinimum Qualifications Bachelors degree from an accredited four-year college or university or equivalent combination of education and experienceStrong hands-on network engineering experience supporting enterprise network architecture in a production environmentHands-on experience with enterprise routing and switching including routing protocols such as OSPF EIGRP and BGP and LAN technologies such as VLANs Spanning Tree STPRSTP and EtherChannelCisco Certified Network Associate CCNA certification5 years of experience deploying and maintaining enterprise-scale network monitoring and observability systems5 years of experience designing and implementing network automation solutionsDemonstrated automation mindset with a track record of scripting orchestration and eliminating manual processes through codeWorking knowledge of DevOps concepts - such as version control CICD and infrastructure-as-code - and how they apply to network change and deploymentWorking knowledge of network security principles including firewalls segmentation and access controlStrong organizational troubleshooting and communication skills with the ability to manage multiple concurrent projectsAbility to work effectively in a fast-paced environment and respond to escalations outside standard business hoursPositive attitude growth mindset and commitment to continuous learningPreferred QualificationsBachelors degree in Computer Network Engineering or a related technical disciplineCisco Certified Network Professional CCNP certification or higherHands-on experience applying AI-based or machine-learning technologies to operational monitoring or automation use casesExperience building CICD pipelines and applying NetDevOps or GitOps workflows to network change and deploymentHands-on experience with network security technologies such as next-generation firewalls network access control NAC and ITOT segmentationExperience automating security controls compliance validation or vulnerability and patch remediation workflowsExperience integrating log management alerting and incident response tooling including SIEM or security analytics platformsExperience in multi-site industrial manufacturing or critical infrastructure environments including ITOT convergenceThe salary range for this role is 105000 to 135000.  An employees pay within the salary range will be based on numerous factors including but not limited to relevant education qualifications experience skills geographic location and business or organizational needs.Cleveland-Cliffs is a leading North America-based steel producer with focus on value-added sheet products particularly for the automotive industry. The Company is vertically integrated from the mining of iron ore production of pellets and direct reduced iron and processing of ferrous scrap through primary steelmaking and downstream finishing stamping tooling and tubing. We offer an excellent total compensation package including competitive pay with variable compensation opportunity health insurance retirement plan education assistance paid time off and more.Cleveland-Cliffs Inc. is committed to working with and providing reasonable accommodation to individuals with disabilities. If because of a medical condition or disability you need a reasonable accommodation for any part of the employment process please send an e-mail tocareersclevelandcliffs.comor call 1-312 899-3097 and let us know the nature of your request and your contact information. Do not email your application materials to this email address. Application materials sent to this email address will not be considered.Cleveland-Cliffs Inc. is an equal opportunity employer - MFVeteranDisability. We are a drug-free workplace and conduct pre-employment screening as a condition of employment.