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Role: IT – Operational Technology (OT) Engineer
Job Type: Permanent
Location: Ireland – Nationwide: Hybrid (2 days onsite in TCS Letterkenny, Co. Donegal / TCS Dublin). Some travel to Production site in Cork and occasional travel to sites in Scandinavia (Norway/Sweden).

Do you have skills in Operational Technology? Do you have experience connecting with business project managers?

Join us as an OT Engineer!

Careers at TCS: It means more
TCS is a purpose-led transformation company, built on belief. We do not just help businesses to transform through technology. We support them in making a meaningful difference to the people and communities they serve - our clients include some of the biggest brands in the UK and worldwide. For you, it means more to make an impact that matters, through challenging projects which demand ambitious innovation and thought leadership.

• Be part of an exciting team where you will be challenged every day.
• Collaborate with customers and stakeholders.
• Gain exposure to innovative technology.

The Role
As an OT Engineer you will support the OT network Architecture team. In this role you will work on driving the design, configuration and implementation of the IT OT network. The work will align with business requirements of a strategic customer in the pharmaceutical sector. You will ensure the seamless integration and optimal performance of OT network systems across the production landscape.

Key Responsibilities:

• Creating changes based on the network design received from the OT Network Architecture Team.
• Scheduling implementation and downtimes with business contacts.
• Tracking changes and escalations if business requirements are not met.
• Attending testing and troubleshooting sessions to accelerate & restore implementation times and escalate to the Architecture Team.
• Monitoring of firewall and switch logs during troubleshooting.

Your Profile
Key skills/knowledge/experience:

• Pharma Knowledge is a must.
• Solid experience in GMP, c GMP and validation.
• Firewalls - Palo Alto preferred.
• Configuration of sub-interfaces
• Segregation of networks with VLANs
• Implementation of security policy

• Configuration of NAT (PAT and static)
• Basic knowledge of App ID
• Routing and switching - Cisco preferred.
• Trunk port configuration (802.1Q)
• Access port configuration
• Configure L2 VLANs
• OT - Basic knowledge of the Purdue model and understanding the concept of DMZs

Rewards & Benefits
TCS is consistently voted a Top Employer in the UK and globally. Our competitive salary packages feature pension, health care, life assurance, laptop, phone, access to extensive training resources and discounts within the larger Tata network.

Diversity, Inclusion & Wellbeing
Tata Consultancy Services UK&I is committed to meeting the accessibility needs of all individuals in accordance with the Ireland Employment Equality Acts 1998-2011 and the Equal Status Acts 2000-2012.
We believe in building and sustaining a culture of equity and belonging where everyone can thrive. Our diversity and inclusion motto is ‘Inclusion without Exception’. Our continued commitment to Culture and Diversity is reflected across our workforce implemented through equitable workplace policies and processes.

You’ll find a welcoming culture and many internal volunteering and social networks to join (these are optional). Our diversity, inclusion and social activities include 12 employee networks such as gender diversity, LGBTQIA+ & Allies, mental health, disability & neurodiversity inclusion and many more, as well as health & wellness initiatives and sports events and we sponsor the London Marathon.
We welcome and embrace diversity in race, nationality, ethnicity, disability, neurodiversity, gender identity, age, physical ability, gender reassignment, sexual orientation. We are a disability inclusive employer and encourage disabled people to apply for this role.

If you are an applicant who needs any adjustments to the application process (including completing the application form) or interview, please contact us at with the subject line: “Adjustment Request” or liaise with recruiter fiona.harvey@tcs.com to request an adjustment. We welcome requests prior to you completing the application and at any stage of the recruitment process.

Next Steps
Due to a high volume of applications, we will be unable to contact each applicant individually on the status of their application. If you have not received a direct response within 30 days, then it should be deemed unsuccessful on this occasion.

Join us and do more of what matters. Apply online now.