Sr. Infrastructure Engineer

Mainstay Maritime; Green Bay (WI); On-site; USD 120,000 - 160,000; Full time

Job summary

Mainstay Maritime is seeking a senior IT Infrastructure Professional to design, deploy, and maintain critical vessel and office infrastructure. You will troubleshoot complex issues, ensure security, reliability, and scalability of core systems, including networking, storage, virtualization, and satellite connectivity.

You will lead automation efforts using Infrastructure as Code (Terraform, Ansible, Python) and collaborate with cross-functional teams to minimize downtime and protect data assets.

Qualifications

• Bachelor’s degree in computer science or related field.
• 7+ years of experience in core infrastructure technologies.
• Combination of education and experience equivalent to the above.

Responsibilities

• Build, configure, and deploy complex network and infrastructure solutions that support vital business operations.
• Administer, maintain, and support core infrastructure to ensure reliability, scalability, and security; implement network security policies.
• Maintain policy and process for infrastructure vulnerability management, penetration testing, and compliance.
• Leverage automated workflows for infrastructure provisioning, deployment, and centralized management to promote efficiency, scalability, and cybersecurity.
• Investigate and resolve complex technical issues to minimize operational downtime and protect against data loss.
• Collaborate with business systems team to ensure vessel and office access to critical business applications and onboard workstations.

Skills

Advanced networking

Enterprise storage

Hyper-converged systems

Virtualization

Satellite connectivity

Analytical and problem solving

Communication and collaboration

Multitasking under pressure

TWIC access readiness

Education

Bachelor’s degree in computer science or related field

Tools

Terraform

Ansible

Python

Job description

Provides senior-level technical expertise that is needed to implement, maintain and optimize core IT infrastructure for all vessels and offices. Ability to troubleshoot complex issues, and ensure the reliability, security, and scalability of business-critical IT infrastructure.

• Build, configure, and deploy complex network and infrastructure solutions that support vital business operations.
• Administer, maintain, and support core infrastructure to ensure reliability, scalability, and security. Implement network security policies and controls that monitor for threats, perform other security-related tasks that enhance data security.
• Maintain policy and process for infrastructure vulnerability management, penetration
• testing, and compliance.
• Leverage automated workflows for infrastructure provisioning, deployment, and centralized management to promote efficiency, scalability, and cybersecurity.
• Investigate and resolve complex technical issues to minimize operational downtime and protect against data loss.
• Collaborate with business systems team to ensure vessel and office access to critical business applications and to maintain related onboard workstations.

Preferred Education / Experience:

• Bachelor’s degree in computer science or a related field,
• 7+ years of experience in multiple core infrastructure technologies,
• A combination of education and experience equivalent to the above.

Preferred Knowledge / Ability:

• Advanced networking, enterprise storage, hyper-converged systems, virtualization, satellite communications & connectivity.
• Proven experience with IAC and automation tools (e.g., Terraform, Ansible, Python).
• Exceptional analytical and problem-solving skills to tackle complex technical challenges.
• Strong communication and collaboration skills, capable of articulating complex technical concepts to both technical peers and non-technical stakeholders.
• Ability to identify, define, and solve problems, set priorities, and implement solutions effectively with minimal direction or guidance.
• Ability to multitask and work well under pressure within deadlines; excellent organizational skills.
• Must be able to obtain and maintain a Transportation Worker Identification Credential (TWIC) to access secure areas of vessels.