Technology infrastructure & security occupations Work, Jobs in Greenock, Ivc (with Salaries)

Operational Technology Security Analyst
CalMac Ferries Limited —Gourock
- £50,000 a year
- Full-time
- Hybrid work
- Engineering
- IT
- Communication skills
- Annual leave
7d
Senior Infrastructure System Engineer x 6
Iberdrola Group —Glasgow
- £70,000 a year
- Oracle
- Windows
- IT
- Annual leave
- Employee discount
4d
Senior Infrastructure Network Engineer
Iberdrola Group —Glasgow
- £70,000 a year
- Computer networking
- IT
- Communication skills
- Annual leave
- Employee discount
4d
Technology Associate
Morgan Stanley —Glasgow
- Full-time
- Human resources
- Marketing
7d
Operational Technology Cyber Security Consultant (All Levels)
Amentum —Glasgow
- Full-time
- Travel
- Communication skills
- Employee assistance programme
IT Analyst
The Oil and Pipeline Agency —Helensburgh
- Full-time
- Azure
- Windows
- Microsoft Office
- Work from home
6d
Senior Operational Technology (OT) Security Consultant
Amentum —Glasgow
- Full-time
- Hybrid work
- Travel
- Computer networking
- IT
- Employee assistance programme
Senior ICT Support Analyst
NHS Scotland —Glasgow
- £52,845 - £61,466 a year
- Full-time
- Hybrid work
- Analysis skills
- Supervising experience
- No degree
- Annual leave
8d
Security Solution Architect
SSE —Glasgow
- £58,100 - £87,100 a year
- Full-time
- IT
- Communication skills
- Employee discount
- Gym membership
1d
OT Security Engineer
SSE —Glasgow
- £50,100 - £75,100 a year
- Full-time
- IT
- Employee discount
- Gym membership
7d
Systems & Digital Specialist (Practical Process Improvement)
Thermo Fisher Scientific —Paisley
- Full-time
- Computer Science
- Engineering
- Master's degree
Crypto & Security Engineers
NXP Semiconductors —Glasgow
- Full-time
- PMP
Cyber Security Analyst
Aggreko —Glasgow
- Full-time
- IT
- Communication skills
- Annual leave
- Employee assistance programme
Senior Platforms Infrastructure Engineer
Chemify Ltd —Glasgow
- AWS
- Scripting
- Computer networking
Quick apply
Senior Security Engineer
Drax Group —Glasgow
- Full-time
- Hybrid work
- Travel
- Communication skills
7d
Cryptography Infrastructure Engineer (Cybersecurity)
Morgan Stanley —Glasgow
- Full-time
- Computer Science
- Bachelor's degree
- Scripting
Network/Firewall Engineer
DXC Technology —Erskine
- Weekend availability
- Computer Science
- Engineering
- Analysis skills
Join the Growing Cyber Security Practice at Methods
Methods Business and Digital Technology —Glasgow
- Full-time
- Hybrid work
- Annual leave
- Employee assistance programme
Quick apply
Application Security Engineer
Shawbrook —Glasgow
- Full-time
- Azure
- AWS
- APIs
- Employee assistance programme
- Employee discount
Technical Business Analyst
Iberdrola Group —Glasgow
- £50,000 - £63,000 a year
- Full-time
- Hybrid work
- Oracle
- Java
- SQL
- Annual leave
- Employee discount
11d

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technology infrastructure & security occupations jobs near greenock, ivc

Operational Technology Security Analyst

CalMac Ferries Limited -
Gourock

Apply Now

Job details

Full-time
£50,000 a year
7 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 infrastructure & security occupations jobs in greenock, ivc

Operational Technology Security Analyst

Senior Infrastructure System Engineer x 6

Senior Infrastructure Network Engineer

Technology Associate

Operational Technology Cyber Security Consultant (All Levels)

IT Analyst

Senior Operational Technology (OT) Security Consultant

Senior ICT Support Analyst

Security Solution Architect

OT Security Engineer

Systems & Digital Specialist (Practical Process Improvement)

Crypto & Security Engineers

Cyber Security Analyst

Senior Platforms Infrastructure Engineer

Senior Security Engineer

Cryptography Infrastructure Engineer (Cybersecurity)

Network/Firewall Engineer

Join the Growing Cyber Security Practice at Methods

Application Security Engineer

Technical Business Analyst

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