Manager - Cybersecurity Engineering & Architecture

3368312No5238549710.00.031-May-2026Manager - Cybersecurity Engineering & Architecture

U. S. Steel is seeking a Senior Network Security Lead to serve as a primary architect and operator of our defensive perimeter. This role is pivotal in our transition from legacy network models to a modern Zero Trust and SASE framework. You will plan and lead the lead a team of specialists and oversee Managed Service Providers (MSPs) to secure our enterprise, cloud, and critical manufacturing (OT) environments.

Key Responsibilities

• Zero Trust Architecture: Design and implement network security controls that move beyond the traditional "perimeter," focusing on identity-based access and micro-segmentation.
• Firewall Management: Act as the Subject Matter Expert for Palo Alto Next-Generation Firewalls, managing policy, deployment, and global connectivity across on-prem and cloud.
• SASE & Remote Access: Lead the evolution of remote work security by implementing and optimizing Secure Access Service Edge (SASE) strategies.
• Email Security: Manage and harden the Proofpoint platform to defend against advanced phishing, business email compromise (BEC), and malware.
• Operational Leadership: Coordinate the daily activities of the internal network security team and external MSPs, ensuring high-quality service and strict adherence to SLAs.
• Logging & Analytics: Architect the flow of network and security logs into Splunk, ensuring high-fidelity alerting and comprehensive forensic capabilities.
• OT Alignment: Collaborate with plant operations to ensure security controls do not disrupt production uptime while maintaining a hardened posture. Namely work with the OT Security and Firewall Teams to ensure proper segmentation is maintained.
• Budget & Vendor Management: Oversee the technology budget for the network security stack and manage strategic vendor relationships.

Minimum Qualifications

• Experience: 8+ years in network engineering/security, with a focus on enterprise-scale environments.
• Deep hands-on experience with Palo Alto Networks (Panorama, Global Protect, Prisma Access).
• Deep hands-on experience with Microsoft Conditional Access policy
• Proven track record of implementing Zero Trust principles in a hybrid environment.
• Demonstrated tools proficiency in Proofpoint and Splunk.

Preferred Qualifications:

• Certifications: CCNA, CCZT, CISSP, GICSP or equivalent advanced security certifications.

Work Arrangement:

• Remote Flexible: This role can be performed remotely, requiring a high degree of self-motivation and the ability to maintain consistent communication across a distributed team.
• Availability: While there are no formal on-call duties, there is an expectation to support critical incidents.

Core Competencies

• Think: Think Critically and Drive Change
• Lead: Lead Teams and Collaborate At Scale
• Do: Empower Performance and Deliver Results

Salary Range: $142,950 - $172,969/yr. This base salary range is a good faith estimate. Based on candidate skills/experience the final offer may be lower/higher.

14020BRUnited States Steel CorporationSenior Network Security Lead

Since 1901, U. S. Steel has been a recognized leader in steel production. Today, as the first North American steel company to have declared a 2050 net-zero greenhouse gas emissions goal, we remain as innovative as ever, leading transformation across our industry while continuing to make products for everyday life - from industries as far ranging as automotive, construction, containers and packaging, appliances, and energy.

Underneath it all is our Culture of Caring, which shows up in our community partnerships, charitable contributions, company-sponsored employee volunteer initiatives, scholarship programs, leadership training, and much more. And of course, it takes shape in a steadfast commitment to safety first in our workplaces and respect for our employees, who are United by Steel.

We are honored to have earned accolades and awards from well-regarded organizations, including the following:

• Ethisphere's World's Most Ethical Companies 2022, '23, '24
• Disability: IN's Best Places to Work for Disability Inclusion 2021, '22, '23, '24
• Human Rights Campaign Foundation's Equality 100 Award 2020, '21, '22, '23-24, '25
• Military Times' Best for Vets: Employers 2023, '24

Conducting business with integrity and with the highest ethical values has underpinned U. S. Steel's success for over 100 years, and it remains critical to our company's success in the future. U. S. Steel is an Equal Opportunity Employer. It is our policy to provide equal employment opportunity (EEO) according to job qualifications without discrimination on the basis of race, color, religion, ancestry, national origin, age, genetics, sexual orientation, sex, gender identity, disability status or status as a protected Veteran or any other legally protected group status. (California residents may visit www.ussteel.com/CANotice regarding collection of personal information and U. S. Steel''s privacy practices.)

At U. S. Steel all employees are expected to display the following core competencies every day to advance corporate, team and individual goals:

Think: Think Critically and Drive Change

Lead: Develop Talent and Collaborate

Do: Empower Performance and Deliver Results