Cleveland-Cliffs is looking for an IT Senior Network Security Engineer. This position will work closely with a team of experienced Network and Network Security Engineers and will be located at the Cleveland-Cliffs Headquarters in Cleveland, Ohio. The Senior Network Security Engineer will provide a high level of technical and subject matter leadership and is a recognized expert with the Cleveland-Cliffs Network Engineering/Architecture and Network Security sector.  .  The Senior Network Security Engineer will work with multiple network security and firewall technologies including Palo Alto and Cisco.   The ideal candidate must have technical depth and a customer-first mentality, the motivation to take the initiative to own and resolve customer issues, and interest in working in a dynamic, fast-growing, learning environment. 

Summary of Responsibilities: 

Provide a high level of technical and subject matter leadership. Work closely with a team of junior to mid-level Network and Network Security Engineers. Work with multiple network security and firewall technologies including Palo Alto Cisco, Aruba, and Dragos. Have technical oversight and project management duties for the network architecture at the Cleveland Works facility. Lead the design, architecture and support for the corporate Network Security infrastructure including the following areas: Firewalls (Cisco FMC and Cisco FTD Firewalls (Manufacturing) and Palo Alto NGFW (Business)), Intrusion Prevention Systems (Cisco FTD (Manufacturing) and Palo Alto (Business)), Network Access Control (Cisco ISE and Aruba ClearPass), and Network and Network Security Monitoring (OpenText Network Node Manager, LogicMonitor, PRTG). Provide technical leadership to Cleveland Cliffs subsidiary companies including FTP and CCTS (Canada based). Provide timely responses to all incidents, tasks and requests assigned to meet Service Level Agreements. Maintain and implement network security policies across the corporate firewall footprint to include both on-prem and cloud environments. Maintain corporate ACL standards and assist with changes and audits to the ACLs deployed throughout the network. Assist in troubleshooting connectivity through firewall log analysis and network traces. Maintain and establish VPN connections for remote users and partner companies. Develop network and related security documentation, including diagrams and work instructions. Take part in an on-call rotation for after-hours emergency support.Provide Project Management and Technical Leadership at the Cleveland Works facility. Other duties as assigned. 10% domestic travel to other Cliffs locations (MI, IN, MN, IL, PA) and international travel to subsidiaries in Canada.

Minimum Qualifications:  

Must have a Bachelor’s degree in Computer Science or related IT/engineering field and 6 years of experience as a Network Engineer or related.Must have 6 years of experience with IT network and network security architecture, design, and support; Project Management; Technical Mentorship; network security design for firewalls and Network Intrusion Detection systems including implementation of secure and reliable networks and segmentation in datacenter and cloud networks supporting mission-critical, customer-facing applications and services.Routing and Switching (BGP, OSPF, VPC, VLAN traffic engineering, Multicast).Multiple security technologies, including network security, proxy, Micro segmentation, network security architecture; leading technical projects, from architecture to implementation; proxy solutions such as Bluecoat and zScaler; and WPAD and proxy PAC files.2 years of experience with: DNS (Domain Name Service); authentication systems such as RADIUS, TACACS+, SSO, LDAP+; Microsoft Active Directory; and Public Key Infrastructure, SSL, digital certificates. In the alternative, employer will accept a Master’s degree in Computer Science or related IT/engineering field.4 years of experience as a Network Engineer or related,4 years of experience with IT network and network security architecture, design, and support; Project Management; Technical Mentorship; network security design for firewalls and Network Intrusion Detection systems including implementation of secure and reliable networks and segmentation in datacenter and cloud networks supporting mission-critical, customer-facing applications and services.1 year of experience with: DNS (Domain Name Service); authentication systems such as RADIUS, TACACS+, SSO, LDAP+; Must be willing to travel 10% of the time to other Cliffs locations (MI, IN, MN, IL, PA) and to subsidiaries in Canada.

Preferred Qualifications:

Experience with architecting cloud environments (Azure, Oracle Cloud, AWS) a plusCCNA, CCNP, Security Certifications Preferred

                                                                               

Cleveland-Cliffs Inc. is the largest flat-rolled steel company and the largest iron ore pellet producer in North America. The Company is vertically integrated from mined raw materials, direct reduced iron, and ferrous scrap to 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 to careers@clevelandcliffs.com or 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 - M/F/Veteran/Disability. We are a drug-free workplace and conduct pre-employment screening as a condition of employment.