Director, Cybersecurity Platform Operator External

Fidelity Investments•Westlake, TX

1d•Hybrid

About The Position

The Director, Cybersecurity Platform Operator role involves delivering advanced functions typically performed by Network and Perimeter Security Engineers, focusing on proxy technologies, firewall platforms, Network Access Control (NAC), network segmentation, IPS/IDS, and broader security governance capabilities. The position requires an energetic, driven professional who thrives in a fast-paced, dynamic environment and is motivated to strengthen Fidelity’s security posture. Operating within a rapidly evolving threat landscape, the role engages with a diverse community of cybersecurity experts. Success demands adaptability, strong analytical skills, and the ability to quickly learn new technologies and understand modern system architectures. As a Director, Cybersecurity Platform Engineer on the External Defense team, the individual will ensure rapid identification of indicators of compromise and provide timely, actionable, and comprehensive insights to stakeholders. This role involves close collaboration with incident response teams, threat intelligence, vulnerability management, and perimeter security groups during investigations and response activities. The leader will act as both a Subject Matter Expert (SME) and Senior Engineer within the Network Security Team, contributing deep technical expertise to protect Fidelity’s network and perimeter infrastructure.

Requirements

9 to 12 years of security experience.
Mandatory Cisco Identity and Service Engine Experience or similar vendor products.
Ability to interact with both technical and non-technical staff, including management and executives, with experience articulating technical material in business terms.
SME in 802.1X authentication and related EAP protocols (EAP-TLS, PEAP).
Demonstrated expertise across network and perimeter security technologies, including Proxy, Firewall, IPS, VPN, and Segmentation platforms.
Acted as a Subject Matter Expert (SME) in proxy technologies, with hands-on experience in Blue Coat and Zscaler deployment, tuning, and lifecycle management.
Strong experience administering and optimizing firewall platforms, including Juniper and Checkpoint, as well as associated management solutions.
Proven interpersonal, written, and verbal communication skills, with a strong commitment to teamwork and collaboration.

Nice To Haves

9 to 12 years of security experience desired, preferably in a matrix-driven corporate environment.

Responsibilities

Deliver advanced functions typically performed by Network and Perimeter Security Engineers, including work across proxy technologies, firewall platforms, Network Access Control (NAC), network segmentation, IPS/IDS, and broader security governance capabilities.
Ensure that indicators of compromise are rapidly identified and that stakeholders receive timely, actionable, and comprehensive insights.
Collaborate closely with incident response teams, threat intelligence, vulnerability management, and perimeter security groups during investigations and response activities.
Act as both a Subject Matter Expert (SME) and Senior Engineer within the Network Security Team.
Manage and maintain multiple security environments, ensuring reliability, performance, and adherence to enterprise security standards.
Administer and optimize firewall platforms, including Juniper and Checkpoint, as well as associated management solutions.
Lead or contribute to disaster recovery (DR) planning, testing, and documentation for critical security infrastructure.
Perform certificate management tasks, including updates, renewals, and integrations via Venafi.
Build and maintain Splunk dashboards, alerts, and custom monitoring to improve visibility and detect anomalies.
Participate in the on-call rotation, responding to incidents and operational events through ServiceNow with urgency and precision.
Implement and maintain network security controls leveraging a variety of products, architectures, and enterprise standards.
Conduct daily monitoring, troubleshooting, and resolution of network and security-related issues.
Integrate security platforms with core network components and other enterprise systems to improve automation and interoperability.
Execute software upgrades, patches, and migrations for network security platforms.
Create and maintain comprehensive technical documentation, runbooks, and standard operating procedures (SOPs).
Collaborate closely with cross-functional teams to deploy, enhance, and modernize the organization’s overall security posture.
Continuously evaluate emerging technologies, industry trends, and modern delivery methodologies for potential enterprise adoption.
Balance technical requirements with business priorities and partner perspectives.
Manage expectations and relationships with senior technical and non-technical stakeholders.