Senior Security Architect defining and assessing Severn Trent's security strategy and architecture. Leading a team of security architects to ensure effective cyber security and resilience.
About the role
- Info Security Engineer focusing on Cisco ISE and security solutions for enterprise environments. Leading security projects while mentoring team members and managing vendor assessments.
Responsibilities
- Cisco ISE directly supports: Enterprise 802.1X network authentication, Network Access Control (NAC), device posture validation, secure access across corporate and remote environments
- High availability validation and failover testing, improved disaster recovery posture, monitoring and telemetry enhancements, reduction of manual operational processes
- Implements and supports security solutions and technologies to protect data/assets from unauthorized access, use, disclosure, destruction, modification, or disruption
- Provides project leadership, security oversight, and risk management on security projects
- Sets security design guidelines, frameworks, and models
- Works to identify new security issues and risks and is involved in developing mitigation plans
- Helps identify and document security objectives
- Participates in projects that develop new intellectual property
- Trains/mentors members of the team
- Builds relationships and trust across the organization
- Evaluates and recommends new and emerging security products and technologies
- Works to develop and interpret security policies and procedures
- Supports acquisition and vendor risk assessment due diligence
- Leads the building, deployment, and maintenance of security tools utilized by the insider threat program
- Proactively seeks solutions to mitigate risk and clearly communicate risks to the appropriate stakeholders.
Requirements
- Typically a Bachelor's degree, or equivalent work experience
- Typically five or more years of relevant experience
- Hands‑on experience as a primary technical owner/operator of Cisco ISE, supporting NAC, RADIUS, and TACACS+ in large‑scale enterprise environments (10,000+ users)
- Strong network engineering and troubleshooting background across wired and wireless networks, including configuration of Cisco switches and wireless access points
- Proven ability to implement and troubleshoot AAA authentication and authorization policies across network devices
- Experience integrating identity and access controls with Active Directory and LDAP
- Solid Linux system administration experience supporting security and network platforms
- Working knowledge of virtualized environments, including VMware vSphere/vCenter
- Experience designing and operating enterprise network resiliency, including load balancing, high availability, and failover strategies
- Proficiency in log analysis and troubleshooting, including AAA logs and accounting records for auditing and incident response
- Strong execution, communication, and collaboration skills, with the ability to translate complex technical topics into clear, actionable outcomes across cross‑functional teams.
Benefits
- Healthcare (medical, dental, vision)
- Basic term and optional term life insurance
- Short-term and long-term disability
- Pregnancy disability and parental leave
- 401(k) and employer-funded retirement plan
- Paid vacation (from two to five weeks depending on salary grade and tenure)
- Up to 11 paid holiday opportunities
- Adoption assistance
- Sick and Safe Leave accruals of one hour for every 30 worked, up to 80 hours per calendar year unless otherwise provided by law
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