OT Network & System Engineer

Alpiq

Vaud

On-site

CHF 120,000 - 160,000

Full time

2 days ago

Be an early applicant

Get a reply from this employer

Your resume and cover letter, tailored to exactly what they’re hiring for.

Get past ATS filters

Benefits offered by this job

Competitive salary package

Training and development

Flexible work models

Job summary

Alpiq in Lausanne, Switzerland, seeks an experienced OT cybersecurity specialist to secure critical industrial networks and control systems. You will administer and monitor OT security equipment, define network architectures, and collaborate with OT, IT, and operations teams to strengthen resilience.

The role includes on-call rotations, governance, and support for partner sites, focusing on risk assessments, incident response and continuous improvement of cybersecurity measures across Alpiq and

Qualifications

Higher education in IT, networks, cybersecurity or equivalent.
5 years of experience in OT cybersecurity and firewall administration.
Knowledge of critical infrastructure and industrial environments is advantageous.
Experience in consulting, supporting partners or assessing security maturity.

Responsibilities

Security equipment management (firewalls, PAM, threat detection, SIEM, etc.).
Administer, configure and maintain Windows- and Linux-based systems and appliances.
Contribute to OT network security architectures, segmentation and interconnections with IT environments and partners.
Define, implement and maintain cybersecurity measures for OT infrastructure and related standards.
Provide expert support to projects, audits and incident investigations.

Skills

Cybersecurity

Network security

OT expertise

Risk analysis

Incident response

Education

Higher IT education

Tools

Firewalls

PAM

SIEM

Windows

Linux

VMware

Job description

Lausanne, CH - 100% | Full time

About The Role

Role type: Permanent | Location: Switzerland | Model: On-Site | Level of travels: 10 %

Our Company

Alpiq is one of Switzerland’s leading electricity producers and a key energy services provider across Europe. Headquartered in Lausanne and powered by a strong portfolio of hydropower, nuclear, and renewable energy sources, we’re all about impact, for the climate, for people, and for the security of supply.

More than 1,300 colleagues from nearly 60 nationalities bring their energy to a shared purpose: Together for a better climate and an improved security of supply.

We work in a values-driven culture shaped by trust, curiosity, and respect. Our 4 company values have been co-created with our employees and are embedded in everything we do as a company:

“We are ALP1Q “- reflects our team spirit

“We learn and grow together” - we have courage

“We share the steering wheel” - we take ownership

“We focus on the outcome” - your impact matters

At Alpiq, your energy matters!

Mission

Ensure the operational security of Alpiq’s critical OT infrastructure by protecting industrial networks, control systems and communication flows. Define, maintain and continuously improve technical OT cybersecurity measures to reduce operational risks, strengthen asset resilience and help increase security maturity across Alpiq, its affiliated companies and its partners.

Position characteristics

Operational role in administering, monitoring and maintaining OT infrastructure, including direct responsibility for managing network security equipment.

Expert role in cybersecurity for critical OT and industrial environments.
Maintain and develop OT network architecture, segmentation, configurations and associated documentation.
Contribute to projects, audits and improvement initiatives, acting as a technical expert for sites and partners.
Participate in the on-call service to ensure the continuity and resilience of critical OT environments.
Collaborate with OT, IT, cybersecurity and operations teams.

Your main responsibilities

Security equipment management (firewalls, PAM, threat detection, SIEM, etc.) Administer, configure and maintain the equipment. Design filtering rules, analyse flows, approve communication openings and perform periodic reviews in accordance with segmentation and defence-in-depth principles.Analyse and address alerts generated by this equipment, as well as SOC alerts.
IT for OT systems management Administer, configure and maintain Windows- and Linux-based systems and appliances.
Network architecture and segmentation Contribute to defining and developing OT network security architectures, trust zones and interconnections with IT environments and partners.
OT governance and cybersecurity Define, implement and maintain cybersecurity measures applicable to OT infrastructure. Contribute to standards, directives, risk assessments and remediation plans.
Support for partner companies: Advise and support Alpiq’s partner companies in securing their OT environments.
Security maturity Contribute to maturity assessments, audits and the monitoring of measures designed to sustainably strengthen the security level of industrial infrastructure.
Expertise and incident response Provide expert support to projects and operations, participate in security incident analysis, and contribute to technical investigations and corrective actions.
Documentation and continuous improvement Maintain documentation for architectures, configurations, filtering rules and procedures. Keep abreast of threats, technologies and industrial security frameworks.
24/7 on-call service Participate in the on-call service for IT for OT, Facility Management and OT security.

Your impact

By strengthening the security, resilience and maturity of Alpiq’s OT environments, this position helps safeguard business continuity, support operational excellence and protect critical energy assets from evolving cyber threats.

Your profile

Higher education in IT, networks, telecommunications, cybersecurity or an equivalent field.
5 years experience in OT cybersecurity and firewall administration.
Knowledge of critical infrastructure and industrial or hydropower environments is an advantage.
Experience in consulting, supporting partners or assessing security maturity.

Behavioral competencies

Strong risk analysis skills and a strong sense of responsibility.
Collaborative mindset.
Ability to analyse risks and a strong sense of responsibility.
Ability to advise, influence and support change.
Communication tailored to technical and decision-making audiences.
Autonomy, rigour and reliability in a critical environment.
Collaborative mindset and ability to represent the organisation in industry forums.

Core Requirements