Technology security analyst Work, Jobs in Whiteinch, Glg (with Salaries)

Operational Technology Security Analyst
CalMac Ferries Limited —Gourock
- £50,000 a year
- Full-time
- Hybrid work
- Engineering
- IT
- Communication skills
- Annual leave
12d
Infrastructure Security Operations Analyst
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- English
- Master's degree
- Bachelor's degree
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The Oil and Pipeline Agency —Helensburgh
- Full-time
- Azure
- Windows
- Microsoft Office
- Work from home
11d
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Systal Technology Solutions —Hamilton
- Full-time
- Analysis skills
- In-person
- Communication skills
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Methods Business and Digital Technology —Glasgow
- Full-time
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AG Barr —Cumbernauld
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CGI —Glasgow
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Systal Technology Solutions —Glasgow
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Capgemini —Glasgow
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Bounteous —Glasgow
- Full-time
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Operational Technology Security Analyst

CalMac Ferries Limited -
Gourock

Apply Now

Job details

Full-time
£50,000 a year
12 days ago

Benefits

Annual leave
Company pension

Qualifications

Engineering
Firewall
NIST standards
IT
Cybersecurity
Communication skills

Full job description

Salary

Circa £50,000

Contractual hours

37.5

Basis

Full time

Package

- Agile Working (minimum 2 days per week in Port / Office) - 37 days annual leave (pro-rata) - Staff travel pass for yourself, spouse/partner, and dependents - An industry outstanding pension

Date posted

25/05/2026

Job reference

REC000101499

Every day, CalMac connects communities, supports island economies, and keeps people moving, safely and reliably. Behind every sailing is a complex network of operational technology, from vessel control systems to port infrastructure.

We’re looking for an Operational Technology Security Analyst to help protect the systems that keep our fleet and ports running.

Our vessels, ports, and operational environments rely on secure, resilient OT systems. In this role, you’ll be at the frontline of safeguarding critical infrastructure, protecting everything from SCADA and control systems to industrial networks, ensuring CalMac can operate safely in an increasingly complex cyber threat landscape.

Your work won’t just protect systems; it will support safe journeys for 5 million passengers every year.

We offer flexibility on location, with the successful candidate able to be based anywhere across the CalMac network. You’ll work on a hybrid basis from one of our port locations, with travel to our Gourock headquarters as required.

What you’ll be doing

This is a hands-on, high-impact role where no two days are the same. You will:

Secure critical OT systems – monitoring alerts, investigating threats, and strengthening system resilience
Identify and manage risk – conducting vulnerability and risk assessments across vessels and port environments
Own OT asset security posture – tracking assets and ensuring visibility, compliance, and protection
Support secure design and architecture – helping shape robust OT network environments (segmentation, firewalls, DMZs)
Respond to incidents and emerging threats – analysing attack trends and safeguarding systems against evolving risks
Lead assurance activities – participate in audits, penetration testing, and incident simulations
Collaborate across teams – working closely with engineering, IT, vessel crews, and third-party suppliers
Drive awareness and improvement – championing OT cyber hygiene and continuous improvement in security practices
Get hands-on on-site – visiting vessels and ports to support security in live, operational environments

What you’ll bring

We’re looking for someone who is technically capable, curious, and passionate about securing critical infrastructure:

Experience in OT cybersecurity within industrial or critical infrastructure environments
Strong understanding of ICS/SCADA, PLCs, RTUs, and industrial networking
Knowledge of industrial protocols (e.g. Modbus, DNP3)
Familiarity with frameworks such as NIST, IEC 62443, ISO 27001, and NCSC CAF
Experience with OT monitoring tools, asset discovery, and vulnerability management
Understanding of IT/OT convergence and associated risks
Ability to analyse threats, respond to incidents, and improve security maturity
Strong communication skills to engage a wide range of stakeholders, from engineers to senior leaders

A degree in Cybersecurity, Engineering or a related discipline is beneficial, but your experience and mindset matter most.

Why join CalMac?

Purpose-driven work – play a vital role in protecting services that island communities depend on
Real-world impact – operational environments where your work directly affects safety and reliability
Unique environment – from ports to vessels, no typical office-based security role
Collaboration and growth – work alongside experienced professionals across IT, engineering, and operations
Continuous improvement culture – shape and strengthen OT security across a national infrastructure provider

Step aboard and make a difference

If you’re ready to take on a role where cybersecurity meets real-world operations, and where your expertise protects critical services, we want to hear from you.

The interviews will take place after 1st July 2026.

Apply now and help secure the future of CalMac’s operations.

Apply Now

Refine Your Search

technology security analyst jobs in whiteinch, glg

Operational Technology Security Analyst

Infrastructure Security Operations Analyst

Software Support Analyst

IT Analyst

Test Analyst

Join the Growing Cyber Security Practice at Methods

Cyber Compliance Policy Analyst

SAP Basis Application Support

Service Analyst

BUSINESS ANALYST

Senior Telephony and Connectivity Support Analyst

CM - BUSINESS ANALYST - Glasgow/London_C2

Python Developer

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