Senior IT Security Principal

KBR Careers; Leatherhead; On-site; GBP 100,000 - 160,000; Full time

Job summary

KBR is seeking a Senior IT Security Principal to provide technical leadership across security operations, vulnerability management, incident response, threat hunting, risk mitigation and compliance. You will act as a trusted advisor to senior stakeholders and lead enterprise security initiatives to strengthen the organisation’s security posture.

You will mentor security professionals and deliver cross-functional projects that align with business goals, governance, and security maturity.

Qualifications

• Proven experience leading security incident response activities.
• Strong expertise in vulnerability management and enterprise threat hunting.
• Experience with security frameworks, compliance programmes, and governance practices.
• Knowledge of identity and access governance, including RBAC.

Responsibilities

• Lead security incident response across the organisation and mentor staff.
• Drive enterprise-wide risk reduction initiatives and advise on security strategy.

Skills

Incident response leadership

Vulnerability management

Threat hunting

Identity & access governance

Security strategy advisory

Education

GIAC certification (GSEC)

Security professional organisations membership

Tools

ServiceNow Vulnerability Response

Tenable

Qualys

Rapid7

Job description

Title: Senior IT Security Principal

A career at KBR can change the world — and change your life. If you’re ready, let’s get started. The KBR team of teams delivers future-forward science, technology and engineering solutions and mission-critical services that help governments and companies around the world accomplish their most important objectives, while also helping achieve their sustainability goals.

Role Summary

We are seeking an experienced cybersecurity professional to provide technical leadership across security operations, vulnerability management, incident response, threat hunting, risk mitigation, and compliance activities. You will act as a trusted advisor to senior stakeholders, lead enterprise security initiatives, and help strengthen and mature security capabilities across the organisation.

Responsibilities

• As Senior IT Security Principal, you will provide technical leadership across security operations, incident response, threat hunting, vulnerability management, security architecture, identity and access governance, and compliance activities.
• You will lead the response to complex cybersecurity incidents, drive enterprise-wide risk reduction initiatives, advise senior stakeholders on security strategy, and mentor security professionals while delivering cross-functional projects that strengthen the organisation’s overall security posture.

Required Experience

• Proven experience leading security incident response activities.
• Strong expertise in vulnerability management and enterprise threat hunting.
• Experience with security frameworks, compliance programmes, and governance practices.
• Knowledge of identity and access governance, including role-based access control.
• Experience leading enterprise-wide security initiatives and collaborating across technical and business teams.

Preferred Qualifications

• Relevant GIAC certification such as GSEC or equivalent.
• Membership of recognised security professional organisations.
• Experience supporting acquisitions, integrations, or enterprise reviews.
• Experience with ServiceNow Vulnerability Response, Tenable, Qualys, Rapid7, or similar platforms.

Belong. Connect. Grow.

At KBR, we are passionate about our people and our Zero Harm culture. These inform all that we do and are at the heart of our commitment to, and ongoing journey toward being a People First company. That commitment is central to our team of team’s philosophy and fosters an environment where everyone can Belong, Connect and Grow.

Equal Opportunity Employer

KBR is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, colour, religion, disability, sex, sexual orientation, gender identity or expression, age, national origin, veteran status, genetic information, union status and/or beliefs, or any other characteristic protected by federal, state, or local law.

#LI-JC1 KBR — Delivering Solutions, Changing the World

KBR brings together the best and brightest to deliver science, technology and engineering solutions that help governments and companies around the world accomplish their most critical missions and objectives.

Our ONE KBR Values

We Value Our People – We create diverse, inclusive environments in which each person can feel safe, respected and valued, and where everyone has opportunities to grow and reach their full potential.

We Deliver – We are uncompromising in our commitment to deliver innovative, high-quality, technology-led solutions for our customers and exceptional, sustainable value for all our stakeholders.

We Are People of Integrity – We value honesty, trust, courage, fairness, prudence and tenacity. We believe doing what’s right for the planet, the communities where we work, and our people is good for business.

We Empower – We empower our people with a shared purpose, the right tools and the supportive culture they need to be proactive decision-makers, to be adaptive to change, and to succeed.

We Are a Team of Teams – We have a will to succeed, but we value the achievements of our team of teams over individual accomplishments. Our collective focus makes us a better, stronger, more effective company.

We have also embedded environmental, social and governance (ESG) principles in every business operation and corporate function. Not only are we committed to operating safely, sustainably and equitably, but we are also committed to using our capabilities and expertise to help our customers accomplish their sustainability goals.

Worldwide, KBR employs a diverse workforce approximately 29,000 people strong, with customers in more than 80 countries and operations in 40 countries. At KBR, We Deliver.