Security Officer
Job number:
Company/Division:
Highways
Career area:
Contract type:
Permanent
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About the Role
Are you looking for a role where no two days are the same, where you can make a real difference, and where long-term career opportunities are backed by one of the UK’s most significant infrastructure projects?
We’re looking for a Security Officer to join our team at the Dartford Crossing Estate, helping to protect and support the safe operation of a critical part of the M25 network. This is an exciting opportunity to work within a professional and respected security team, providing a highly visible service to customers, colleagues, contractors and emergency services.
As part of Connect Plus Services, you’ll be contributing to the operation of one of the UK’s most important road networks. With just under 15 years remaining on the M25 contract, this role offers a unique combination of stability, career development and variety. Whether you’re building on existing security experience or looking to develop new skills within a vital operational environment, you’ll be supported to grow and succeed as part of a collaborative team.
Working a 12-hour shift pattern on a 4-on, 4-off rota, you’ll play a key role in ensuring the safety, security and smooth running of the Dartford Crossing Estate and associated facilities.
What You’ll Be Doing
As a Security Officer, you’ll work as part of a professional security team supporting the operation of the Kent Marshalling Area (KMA), Security Office, Cycle Transport Service and Dartford Security Patrols.
Your responsibilities will include:
- Monitoring and operating security CCTV systems.
- Supporting the safe transport of cyclists across the River Crossing.
- Conducting security patrols and audits across the network and depot facilities, both on foot and by vehicle.
- Responding promptly and professionally to security-related incidents.
- Managing the issue and control of keys and contractor permits.
- Maintaining accurate security records and audit trails.
- Ensuring all security policies, procedures and standards are consistently followed.
- Supporting the Security Office Administrator with day-to-day activities.
- Promoting the organisation’s Security Principles at all times.
- Maintaining a strong commitment to Zero Harm and safe working practices.
Kent Marshalling Area (KMA) Responsibilities
- Marshalling vehicles entering the Kent Marshalling Area.
- Processing and monitoring Dangerous Goods Vehicles.
- Delivering a first-class customer service experience.
- Liaising with the DVSA and Emergency Services.
- Monitoring the Forward Tanker Bay.
- Preparing the KMA as an Emergency Services Rendezvous Point (RVP) when required.
- Following instructions from the Control Room Manager regarding vehicle movements within the KMA.
Who We’re Looking For
Key Requirements
We’re looking for a professional, customer-focused individual who enjoys working as part of a team and takes pride in delivering a high-quality service.
You’ll ideally bring:
- Experience in customer service environments.
- Previous security experience (desirable).
- Knowledge of a security discipline (desirable).
- First Aid experience (desirable).
- A full UK driving licence with the ability to drive a 4×4 patrol vehicle in all conditions.
- Excellent communication skills and the confidence to engage with people at all levels.
- Strong teamwork and relationship-building skills.
- The ability to remain calm and professional under pressure.
- Good organisational and problem-solving skills, with the ability to make sound decisions.
- A proactive and flexible approach to work.
- The ability to work on your own initiative and manage multiple priorities.
- A willingness to travel to other Connect Plus sites when required.
- A willingness to attend training, meetings and development opportunities.
- A commitment to wearing the Connect Plus corporate uniform and representing the business professionally.
What Success Looks Like
You’ll thrive in this role if you are:
- Results-driven and motivated to deliver excellent outcomes.
- Passionate about providing outstanding customer service.
- A collaborative team player who enjoys supporting colleagues and stakeholders.
- Committed to operational excellence and safe ways of working.
- Adaptable, positive and comfortable working in a fast-paced environment.
- Focused on continuous improvement and personal development.
Behavioural Competencies
Inspiring: Champions curiosity and continuous improvement, role modelling change and managing risks to achieve project outcomes.
Energising: Role models positive and energised project focussed attitudes towards and continuous improvement.
Challenging: seeks and advocates improvements to add value and drive continuous performance.
Challengeable: Encourage a culture of skilled challenging and seek to understand and explore challenge to enable improvement.
Influencing: Builds commitment and consensus, and role models CPS leadership behaviours to deliver our goals.
Why Work for Us?
At Connect Plus Services (CPS), you’ll be part of a world-class team maintaining and operating the M25, Europe’s busiest motorway. As a joint venture between Balfour Beatty, Atkins, and Egis, we play a vital role in keeping millions of journeys moving safely and efficiently.
A Career Like No Other
Working on the M25 offers unrivalled experience, challenges, and opportunities that no other highways project can provide. You’ll be exposed to cutting-edge technology, large-scale infrastructure, and complex engineering solutions, making every day dynamic and rewarding.
Long-Term Stability & Growth
With 15+ years remaining on this project, we offer career stability, professional development, and progression opportunities. Whether you’re looking to build new skills or take the next step in your career, we invest in your growth.
A Supportive & Inclusive Team
At CPS, your contributions matter. We foster a diverse, inclusive, and collaborative work environment where safety, innovation, and teamwork drive everything we do.
CPS recognises the impact of our work on the environment and the communities surrounding the M25 network. We are committed to reducing our carbon footprint while delivering wider sustainability outcomes, including environmental protection, social value, and responsible resource use. Through sustainable practices, innovation, and long‑term stewardship, we aim to support community wellbeing and ensure responsible, future‑focused delivery.
About us
Connect Plus Services (CPS) is a joint venture between Balfour Beatty, Atkins and Egis Road Operation UK. With around 800 colleagues, we operate and maintain the 117‑mile M25 network on behalf of Connect Plus and National Highways, managing over 100,000 assets to keep Europe’s busiest orbital motorway moving 24/7.
We are committed to creating a diverse and inclusive workplace where everyone can thrive. As a Disability Confident Employer and Gold Award holder in the Ministry of Defence’s Employer Recognition Scheme, we actively support equality, inclusion and social value, and welcome applications from people of all backgrounds.
Note to all internal CPS employees:
If you are interested in applying, please submit your application through your parent company’s careers portal by entering the job title in the search bar. If your employing company is not advertising this role, please submit your CV and the role title to HR@connectplusm25.co.uk

