Security Manager

CBSbutler Holdings Limited trading as CBSbutler; Hanslope; On-site; GBP 156,000 - 170,000; Full time

Job summary

CBSbutler Holdings Limited trading as CBSbutler is hiring a DV-cleared Security Manager for a high-profile government Command Centre at Hanslope Park, Milton Keynes. The role sits across Cyber/SOC, NOC, infrastructure, service management and physical security, with leadership of multiple specialist teams.

You will coordinate significant incidents, maintain a common operating picture, brief senior leadership, and drive runbooks and escalation processes to support a 24/7 operational model.

Qualifications

• DV clearance is essential and current.
• Significant experience in operational command or major incident management.
• Experience coordinating multiple teams during complex incidents.
• Strong understanding of SOC/NOC, infrastructure and IT service management.
• Experience operating in a 24/7 environment.
• Excellent stakeholder management and briefing senior leadership.
• Strong decision-making and prioritisation under pressure.
• Experience managing escalations and coordinating third-party suppliers.
• Ability to maintain an accurate operational picture across concurrent issues.
• Experience developing runbooks, escalation processes and operational procedures.

Responsibilities

• Act as the senior operational authority for the Command Centre during shifts.
• Maintain a clear Common Operating Picture across cyber, network, infrastructure and security operations.
• Coordinate responses to significant incidents and service disruptions.
• Set operational priorities and engage appropriate specialist teams.
• Manage escalations across technical and operational teams and suppliers.
• Provide concise updates to senior leadership and stakeholders.
• Deliver operational briefings covering incidents, risks and activity.
• Engage with senior stakeholders and provide challenge where needed.
• Bring in technical specialists for deeper expertise when required.
• Own AV and command-wall capability across SOC, NOC and feeds.

Skills

DV clearance

Operational command

Incident management

Stakeholder management

24/7 operations

Decision making under pressure

Escalation management

Tools

Incident Management Tools

Command Centre Dashboards

Job description

Salary: £? - ? per year

Requirements

• Current Developed Vetting (DV) clearance is essential.
• Significant experience in operational command, duty management, major incident management or service operations.
• Experience coordinating multiple teams during complex or high-impact incidents.
• Strong understanding of SOC, NOC, infrastructure and IT service management environments.
• Experience operating in a 24/7 environment.
• Excellent stakeholder management skills, including the ability to brief senior leadership.
• Strong decision-making and prioritisation skills under pressure.
• Experience managing escalations and coordinating third-party suppliers.
• Ability to maintain an accurate operational picture across multiple concurrent issues.
• Strong written and verbal communication skills.
• Experience developing operational procedures, runbooks and escalation processes.
• A calm, authoritative and structured approach during significant incidents.
• Experience in a 24/7 command centre, operations centre, major incident environment, government/defence environment or similarly critical operational setting is preferred.
• Candidates may come from duty manager, command centre, major incident, service operations, operations, watch officer, incident commander, operations controller, service delivery or operational resilience backgrounds.
• Experience within government, defence, national security, telecommunications, critical infrastructure or other highly regulated environments would be particularly valuable.

Responsibilities

• Act as the senior operational authority for the Command Centre during assigned shifts.
• Maintain a clear Common Operating Picture across cyber, network, infrastructure, service management and physical security operations.
• Coordinate the response to significant incidents, service disruptions, emerging risks and operational issues.
• Set operational priorities and ensure the appropriate specialist teams are engaged.
• Manage escalations across multiple technical and operational teams and third-party suppliers.
• Provide clear, concise and authoritative operational updates to senior leadership and stakeholders.
• Produce and deliver operational briefings covering significant incidents, service impacts, emerging risks and relevant overnight or weekend activity.
• Engage confidently with senior stakeholders and provide appropriate challenge where required.
• Bring in technical specialists when deeper technical expertise is required rather than attempting to resolve technical issues directly.
• Take operational ownership of the Command Centres AV and command-wall capability, including SOC, NOC and other operational feeds.
• Help develop appropriate screen layouts, operational dashboards and the overall Common Operating Picture.
• Support the development of Command Centre runbooks, escalation procedures, reporting, operating processes and ways of working.
• Contribute to the transition towards a full 24/7 operational model.
• Support training and knowledge transfer for Command Centre personnel.
• Ensure effective handovers between shifts and maintain strong operational continuity.

Technologies

• Incident Management
• Support
• Network
• Security

More

We are hiring an experienced DV Cleared Security Manager to join a high-profile government Command Centre capability based at Hanslope Park, Milton Keynes, working onsite on a 3-year contract at a day rate of £600-£650 inside IR35. This senior operational role sits across Cyber/SOC, NOC, infrastructure, service management and physical security, providing command and control across multiple specialist teams rather than hands-on technical engineering. We operate in a critical, high-pressure environment where strong stakeholder engagement, clear operational leadership and effective incident coordination are essential, and current DV clearance is required.

last updated 33 week of 2026