Senior security engineer Work, Jobs in Harlington, Gtl (with Salaries)

Senior Security Platform Engineer (m/f/d)
NTT Global Data Centers —Hemel Hempstead
- Full-time
- English
- Bachelor's degree
- Leadership
Senior Back End Engineer
CareADHD —Canary Wharf
- £55,000 - £75,000 a year
- Hybrid work
- AWS
- Agile
- AI
Quick apply
3d
Senior Software Engineer, Training & Experimentation
Lightning AI —London
- £180,000 - £250,000 a year
- Hybrid work
- Mentoring
- Communication skills
- Annual leave
- Flexible schedule
Quick apply
Senior Software Engineer
Csp U.K. —London
- £98,000 - £102,000 a year
- Full-time
- Databases
- Mentoring
- Agile
- Free parking
Quick apply
Senior Product Security Engineer
Blockchain.com —London
- Full-time
- Remote
- AI
- SDLC
Quick apply
Thames Barrier and Associated Gates Senior Security Team Leader - 36091
Environment Agency —London
- £54,940 a year
- Full-time
- Presentation skills
- Communication skills
- Annual leave
- Flexible schedule
2d
Senior Application Security Engineer
Our Future Health —London
- From £70,000 a year
- Full-time
- Hybrid work
- Azure
- SDLC
- Employee assistance programme
- Referral programme
Quick apply
Senior Software Engineer, Agents
Lightning AI —London
- £180,000 - £250,000 a year
- Hybrid work
- Mentoring
- Communication skills
- Annual leave
- Flexible schedule
Quick apply
Senior Cloud Security / DevSecOps Engineer – UK
The closing Gap —London
- £35,382.75 - £95,499.72 a year
- Full-time
- Azure
- AWS
- In-person
Quick apply
7d
Senior Service Desk Engineer
Cvent —London
- Full-time
- Computer Science
- Bachelor's degree
- Continuous improvement
Senior Server Engineer
Hampshire Trust Bank —London
- Full-time
- Hybrid work
- SQL
- Continuous improvement
- Mentoring
- Annual leave
Quick apply
12d
Graduate Programme 2027: Information Security Engineer (Operations)
Revolut —London
- £16,600 a month
- Full-time
- Hybrid work
- English
- Master's degree
- Bachelor's degree
Senior DevOps Engineer
Ma Csp —London
- £81,000 - £84,000 a year
- Full-time
- Hybrid work
- Computer Science
- DevOps
- Engineering
- Free parking
- Annual leave
Quick apply
3d
Senior Security Operations Engineer
Risk Ledger —London
- £90,000 - £100,000 a year
- Hybrid work
- Master's degree
- Scripting
- AI
- Annual leave
- Work from home
Quick apply
Reya DEX & Network - Senior Frontend Engineer
deCircle —London
- Full-time
- Remote
- Computer Science
- Master's degree
- Bachelor's degree
Quick apply
Senior Cloud Security Engineer
Checkout.com —London
- Full-time
- Hybrid work
- Master's degree
- Scripting
- AI
Quick apply
Senior Software Engineer (Better Off Calculator)
Policy in Practice —London
- £65,000 - £80,000 a year
- Full-time
- Hybrid work
- AWS
- Mentoring
- Store discount
- Work from home
Quick apply
ICT Senior Networking & Security Engineer
Great Ormond Street Hospital for Children —London
- £58,133 - £65,261 a year
- Full-time
- Master's degree
- Presentation skills
- No degree
3d
Senior Network Engineer_Cloud, Security & Infra (Architect II - Cloud Infrastructure Services)
UST —London
- Hybrid work
- Mentoring
- Communication skills
Quick apply
HR Systems Analyst (6 Month FTC)
Senior plc Head Office —Rickmansworth
- Full-time
- Hybrid work
- Data analysis skills
- Continuous improvement
- Travel
- Work from home
- Employee assistance programme
Quick apply

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senior security engineer jobs near harlington, gtl

Senior Security Platform Engineer (m/f/d)

NTT Global Data Centers -
Hemel Hempstead

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Job details

Full-time

Qualifications

Information and network security experience
Incident triage
Data centre experience
CCNP
Stakeholder collaboration
Cybersecurity strategy
CCNA
Mentoring junior staff
Incident identification
CISSP
Incident documentation
Incident reporting preparation
English
CISM
Security information and event management (SIEM) monitoring
Incident response
Bachelor's degree
Continuous improvement cycles oversight
Operational security implementation
Risk management
Cybersecurity strategy development
Technical writing
SIEM
Cybersecurity
Cyber security risk management
Leadership
Incident log maintenance
Communication skills
GCIH
GDC
Analytics
Information Technology

Full job description

Make an impact at NTT Global Data Centers

Join NTT Global Data Centers and be part of a team that drives innovation and sustainability in the digital world. With over 150 data centers across more than 20 countries globally, we offer unparalleled opportunities to work on cutting-edge technology and transformative projects. Experience a collaborative, innovative, and inclusive workplace where your ideas are valued, and your growth is supported.

Your role at a glance

The Senior Security Platform Engineer (m/f/d), is an advanced subject matter expert, responsible for facilitating problem resolution and mentoring for the overall Global Data Centers Office of Information Security (GDC-OIS) team. This role is critical in improving, developing and maintaining IT/OT vulnerability management programs and processes.

This role performs and leads important tasks specialized at threat hunting, SIEM/SOAR, Network Security and other operational security tasks such as performance and availability monitoring, log monitoring, security incident detection and response, security event reporting, and content maintenance (tuning).

What we are looking for

Key Responsibilities:

Serves as a senior member of a 24/7 global GDC Cybersecurity team, providing leadership in IT/OT environments with required expertise in ICS and SCADA systems.
Leads the administration and optimization of enterprise security platforms, overseeing lifecycle management including break-fix, patching, version upgrades, and integration with broader security ecosystems.
Directs complex security incident response efforts across multiple vectors—endpoint protection, EDR, malware analysis, network and computer forensics—ensuring rapid containment and root cause analysis.
Designs and executes advanced vulnerability assessments using both automated and manual techniques; collaborates with stakeholders to prioritize remediation based on business risk and threat intelligence.
Oversees continuous monitoring of threat intelligence feeds and security alerts, proactively identifying emerging risks and recommending strategic countermeasures.
Interprets and synthesizes threat reports to guide architectural improvements and validate the effectiveness of current security controls.
Partners with cross-functional teams to develop and implement enterprise-wide mitigation strategies, configuration baselines, and patch management frameworks.
Champions automation initiatives to streamline incident response, threat detection, and reporting workflows, leveraging available security platforms and scripting.
Maintains and evolves the knowledge base by authoring and reviewing technical articles, playbooks, and SOPs to ensure consistency and operational excellence.
Leads post-incident reviews, driving service recovery, documentation, and implementation of preventive measures across teams and vendors.
Provides expert-level guidance on specialized security domains and technologies, ensuring comprehensive and efficient resolution of escalated incidents.
Ensures meticulous incident logging and fosters collaboration across internal teams, client IT environments, vendors, and carriers to expedite resolution.
Conducts advanced data correlation and threat hunting across diverse sources—network traffic, email logs, malware samples, web server logs, DNS records—to uncover stealthy threats and improve detection capabilities.
Leads strategic security projects, mentors junior engineers, and contributes to the evolution of the organization’s security posture through innovation and thought leadership.

Knowledge & Attributes:

Multiple years experience of working in IT and/or Security Operation centers required. Experience in a Data Center environment an added plus.
Advanced expertise in architecting, implementing, and optimizing SIEM and security platforms across hybrid environments. Demonstrated leadership in ICS and SCADA security integration and monitoring within critical infrastructure.
Deep knowledge on security architecture, with hands-on experience designing and integrating multi-layered security solutions across diverse technology stacks.
Strategic customer engagement mindset with a proactive approach to anticipating security needs, influencing stakeholders, and driving continuous improvement in service delivery.
Recognized as a strategic problem solver with a track record of resolving complex security challenges independently and leading cross-functional teams through ambiguity.
Exceptional attention to detail in high-stakes environments, ensuring precision in threat detection, incident response, and documentation that supports audit and compliance.
Advanced analytical acumen with the ability to synthesize threat intelligence, correlate multi-source data, and drive actionable insights for risk mitigation.
Polished spoken and written communication skills with English as the preferred language.
Proven leadership in global security teams, fostering collaboration across departments, mentoring junior engineers, and driving alignment between security operations and business objectives.

Academic Qualifications & Certifications:

Bachelor's degree or equivalent in Information Technology or related field.
Relevant level of Security certifications such as CySA+, PenTest+, CCSP, GCIH, OSCP, CISM, CISSP etc. preferred.
Relevant level of IT certifications such as CCNA, CCNP, RHCSA, GRID, GICSP, AZ-500, SC-200, etc. will be added advantage.

Required Experience:

Advanced experience in Security technologies like (SIEM, PAM, IAM, PenTest, Threat Hunting, Firewall, Proxy etc.) preferably within a global IT services organization.

Who we are

As the third largest data center provider, we operate over 150 data centers in more than 20 countries and regions. We understand that every business – large and small – has its own unique needs and goals. We offer local-to-global data center expertise, aligned with our connected platform of AI-ready data centers to create solutions that enable our clients to seamlessly scale their digital businesses, anywhere and anytime.

Apply Now

Refine Your Search

senior security engineer jobs in harlington, gtl

Senior Security Platform Engineer (m/f/d)

Senior Back End Engineer

Senior Software Engineer, Training & Experimentation

Senior Software Engineer

Senior Product Security Engineer

Thames Barrier and Associated Gates Senior Security Team Leader - 36091

Senior Application Security Engineer

Senior Software Engineer, Agents

Senior Cloud Security / DevSecOps Engineer – UK

Senior Service Desk Engineer

Senior Server Engineer

Graduate Programme 2027: Information Security Engineer (Operations)

Senior DevOps Engineer

Senior Security Operations Engineer

Reya DEX & Network - Senior Frontend Engineer

Senior Cloud Security Engineer

Senior Software Engineer (Better Off Calculator)

ICT Senior Networking & Security Engineer

Senior Network Engineer_Cloud, Security & Infra (Architect II - Cloud Infrastructure Services)

HR Systems Analyst (6 Month FTC)

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