OT Infrastructure Security Engineer

Wärtsilä Energy Storage is the leading global energy storage optimizer. Our mission is to deliver integrated energy solutions that build a resilient, intelligent, and flexible energy infrastructure - unlocking the way to an optimized renewable future. By integrating renewables, energy management technology, and storage with traditional energy resources, we reinvent clean energy production from the largest and most complex grids to the most remote and essential microgrids. We play a key role in Wärtsilä’s vision towards a 100% renewable energy future through flexibility, reliability, and integration and a more sustainable world for us all.

Wärtsilä’s Energy Storage business unit is looking for an OT Infrastructure Security Engineer to join our growing DevOps & Infrastructure Team located in our software development center in Herndon, VA, USA. We are seeking a highly skilled OT Infrastructure Security Engineer to join our team and play a pivotal role in securing our critical infrastructure. This role will focus on ensuring the security and compliance of systems spanning Google Cloud Platform (GCP), Operational Technology (OT) networks, Linux-based servers, and network security appliances. You will be instrumental in maintaining our SOC 2 and IEC 62443 certifications, while also leading efforts in incident response and proactive threat mitigation.

Key Responsibilities

 Compliance & Governance

· Maintain and improve security controls to meet SOC 2 and IEC 62443 standards.

· Conduct regular audits, risk assessments, and gap analyses.

· Collaborate with internal teams to ensure compliance documentation is accurate and up to date.

Infrastructure Security

· Secure and monitor systems across GCP, OT networks, Linux servers, and network security appliances (e.g., firewalls, intrusion prevention systems).

· Implement and manage security policies, access controls, and segmentation strategies.

· Work closely with DevOps and IT teams to integrate security into infrastructure and deployment pipelines.

Incident Response & Prevention

· Lead investigations into security incidents and coordinate response efforts.

· Develop and maintain incident response playbooks and procedures.

· Monitor systems for vulnerabilities and emerging threats, and implement mitigation strategies.

Collaboration & Training

· Partner with engineering, operations, and compliance teams to align security practices.

· Provide training and guidance on security best practices and compliance requirements.

Qualifications

Required:

· 3+ years of experience in cybersecurity, compliance, or infrastructure security.

· Strong knowledge of SOC 2 and IEC 62443 frameworks.

· Experience with SIEM tools, vulnerability scanners, and compliance automation platforms.

· Excellent analytical, documentation, and communication skills.

· Hands-on experience with:

   · Google Cloud Platform (GCP)

   · OT networking environments

   · Linux server administration

   · Network security appliances (e.g., firewalls, VPNs, IDS/IPS)

Preferred:

· Relevant certifications (e.g., CISSP, GICSP, CISA, IEC 62443 certifications).

· Experience in critical infrastructure or industrial control systems (ICS) environments.

· Familiarity with DevSecOps practices and tools.

Why Join Us?

· Work on securing systems that matter—our infrastructure supports essential operations.

· Be part of a collaborative, mission-driven team.

· Competitive salary, benefits, and opportunities for growth and certification.

Last application date: 30/05/2025 

Why you and us:

You will be a part of a global organization with local presence and work in an exciting and dynamic working environment with highly motivated and skilled co-workers. We offer interesting and challenging work tasks, as well as personal and professional development in a great team. If you feel excited by being a part of this working environment and think your personal skills and qualities match the job requirements, we look forward to receiving your job application. At Wärtsilä we value, respect and embrace all our differences, and are committed to diversity, inclusion and equal employment opportunities; everyone can be their true self and succeed based on their job-relevant merits and abilities.

We are not accepting unsolicited submissions from 3rd party recruitment agencies. 

Successful applicant must be authorized to work in the USA without sponsorship. We look forward to hearing from you. Qualified candidates must apply online: https://www.wartsila.com/careers

Individuals hired for positions that require on-site customer interactions and/or in-person travel may be required to be fully vaccinated against COVID-19 or other country-specific vaccinations, unless otherwise prohibited by law. Wärtsilä North America values our employees. We offer a competitive salary and comprehensive benefits package. Wärtsilä North America is an EOE/AA employer.

Effective January 2025, Wartsila companies in the USA will implement a new hybrid work model. Most employees who live within 40 miles of an office will work 2 days per week in office. This model will provide our employees the flexibility of working from home, while also providing the benefits of in-person collaboration twice a week. We will be happy to provide more information during your interview process.

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