Sheffield Cyber Security Ops_ Specialist (Shift) S1 3PL
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About the role
The Network Security Specialist is a key pillar within the Secure Networks team, reporting to the Network Security Operations Manager. This role is critical to the successful delivery and support of customer security services, combining technical leadership, operational responsibility, incident ownership, and change governance to ensure high-quality outcomes across a 24/7 environment.
What you’ll be doing
- Provide technical leadership across Network Security Operations, acting as a key decision-maker within the team and supporting delivery from a 3rd Line / SME perspective.
- Take ownership of critical (P1/P2) security incidents, providing technical leadership during high-priority outages or security events, driving resolution, stakeholder communication, and service restoration.
- Own and support change management activities, ensuring all changes are risk-assessed, peer-reviewed, implemented to a high standard, and aligned with governance and customer expectations
- Lead and promote best practice across ITIL frameworks, ensuring effective service delivery, incident management, and continuous improvement.
Essential Skills / Experience
- Industry-recognised security certifications (or equivalent experience), such as:
- Fortinet FCP / FCSS
- Cisco CCNP (Security)
- Check Point CCSE
- Palo Alto PCNSE
- Forcepoint
- Hands-on experience across enterprise network security technologies, including:
- Fortinet (Firewalls, FortiManager, FortiAnalyzer)
- Cisco ASA & Secure Firewall
- Cisco ISE (Network Access Control)
- F5 Load Balancers & Web Application Firewall (WAF)
- Palo Alto Firewalls
Our Package
• Competitive salary and on-target bonus plan
• Flexible and smart working
• Training and development opportunities
• Competitive share options and pension scheme
• Access to discounts on BT & EE products
• 25 days annual leave (not including bank holidays)
• 3 days paid volunteering a year
• Location: Chippenham
• Weekly Hours: 37.5
• Salary: Level D
• Position Type: Full-time
• Contract: Permanent
With over 180 years of heritage, BT Business has brought together our best people and capabilities into a B2B powerhouse serving 1.2 million business customers in the UK
We’re a leader for secure connectivity and collaboration platforms for businesses of all shapes and sizes, from big household names and government departments, right through to sole traders and new start-ups. But it’s not just the technology that matters, it’s what it can do to help them build stronger, smarter, more secure businesses.
We are Customer-First Challengers, who are Committed, Clear and Connected. We value diversity and inclusion and believe in making a positive impact. We connect for good by championing digital inclusion and equipping people, businesses, and communities with digital skills to thrive.
As a member of our team, you will be part of an organisation that celebrates difference, fosters innovation and provides you with opportunities to be your best. With millions of businesses relying on us daily, joining BT means you can be part of a diverse and multi-skilled team that makes a significant impact to society.
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