Network Engineer (Linux)

SEA CORP; Middletown (RI); On-site; USD 90,000 - 125,000; Full time

Benefits offered by this job

Medical benefits

Dental benefits

Vision benefits

401(k) retirement plan

Life insurance

Paid holidays & PTO

Tuition reimbursement

Referral bonuses

Job summary

SEACORP is seeking a Network Engineer (Linux) in Middletown, RI to design, implement, and maintain enterprise LAN/WAN and data center infrastructure. The role requires strong Linux knowledge, TCP/IP, routing and switching, and hands-on experience with firewalls, VPNs, DNS, and DHCP.

The engineer will monitor performance, troubleshoot complex issues, coordinate with vendors, and ensure security and compliance across the network.

Qualifications

• Bachelor's degree in computer science, Information Technology, Computer Engineering, or related field (or equivalent work experience).
• 5+ years of experience supporting enterprise network infrastructure.
• Strong Linux knowledge.
• Experience with firewalls, VPN technologies, DNS, DHCP, NAT, and network security principles.
• Knowledge of network monitoring and performance management platforms.
• Strong written and verbal communication skills.

Responsibilities

• Design, implement, and maintain enterprise LAN, WAN, wireless, and data center network infrastructure.
• Install, configure, and support network equipment including routers, switches, firewalls, wireless controllers, proxy servers, DNS, DHCP, VPNs, and WAN optimization devices.
• Configure and manage routing and switching technologies to maximize network performance and security.
• Monitor network performance and proactively identify opportunities for optimization and improvement.
• Troubleshoot complex network connectivity, performance, and security issues.
• Perform firmware and software upgrades on network devices while minimizing business impact.
• Plan and execute scheduled maintenance windows and infrastructure upgrades.
• Investigate network outages and implement corrective actions.
• Work closely with stakeholders and IT leadership on infrastructure initiatives.
• Coordinate with vendors and subcontractors during network deployments and installations.
• Maintain accurate network documentation, diagrams, inventories, and standard operating procedures.
• Ensure compliance with organizational security policies and industry best practices.
• Prepare technical reports, project updates, and network status reports for stakeholders.
• Participate in on-call support and after-hours maintenance as required.

Skills

Linux

TCP/IP

Routing & Switching

LAN/WAN

Network security

Documentation

Education

Bachelor's degree

Tools

Extreme Networks

VPN technologies

DNS/DHCP

Job description

SEA CORP

Location: Middletown, RI, United States

SEACORP is seeking a well-qualified Network Engineer (Linux).

Primary Duties and Responsibilities:

SEACORP is currently seeking a highly motivated and experienced Network Engineer to join our IT Infrastructure team. The Network Engineer will be responsible for designing, implementing, maintaining, and supporting enterprise network infrastructure to ensure optimal performance, reliability, and security. This position may work primarily in-house or be assigned to project teams supporting external clients. The ideal candidate is a proactive problem solver with strong technical expertise in enterprise networking technologies and a commitment to delivering exceptional service.

Job Responsibilities Include:

• Design, implement, and maintain enterprise LAN, WAN, wireless, and data center network infrastructure.
• Install, configure, and support network equipment including routers, switches, firewalls, wireless controllers, proxy servers, DNS, DHCP, VPNs, and WAN optimization devices.
• Configure and manage routing and switching technologies to maximize network performance and security.
• Monitor network performance and proactively identify opportunities for optimization and improvement.
• Troubleshoot complex network connectivity, performance, and security issues.
• Perform firmware and software upgrades on network devices while minimizing business impact.
• Plan and execute scheduled maintenance windows and infrastructure upgrades.
• Investigate network outages and implement corrective actions.
• Work closely with Stakeholders and IT leadership on infrastructure initiatives.
• Coordinate with vendors and subcontractors during network deployments and installations.
• Maintain accurate network documentation, diagrams, inventories, and standard operating procedures.
• Ensure compliance with organizational security policies and industry best practices.
• Prepare technical reports, project updates, and network status reports for stakeholders.
• Participate in on-call support and after-hours maintenance as required.

Qualifications:

Education: Bachelor’s degree in computer science, Information Technology, Computer Engineering, or a related technical field (or equivalent work experience).

Experience: 5+ years of experience supporting enterprise network infrastructure.

Required Experience:

• Strong knowledge of TCP/IP, VLANs, and enterprise routing and switching.
• Experience configuring and supporting Extreme network infrastructure.
• Experience with firewalls, VPN technologies, DNS, DHCP, NAT, and network security principles.
• Experience troubleshooting complex network issues using industry-standard tools.
• Strong Linux knowledge.
• Knowledge of network monitoring and performance management platforms.
• Strong understanding of network documentation and change management processes.
• Excellent analytical, organizational, and problem-solving skills.
• Strong written and verbal communication skills.
• Ability to manage multiple priorities in a fast-paced environment.

Preferred Experience:

• Experience with Palo Alto, Fortinet, Cisco ASA, or Check Point firewalls.
• Experience with wireless technologies and controllers.
• Experience with cloud networking (Azure, AWS, or Google Cloud).
• Knowledge of SD-WAN technologies.
• Experience with network automation using Python, Ansible, or PowerShell.

Required Skills:

• Strong analytical and troubleshooting abilities.
• Ability to quickly learn new technologies.
• Excellent time management and organizational skills.
• Strong attention to detail.
• Ability to follow established processes and standards.
• Excellent documentation skills.
• Strong interpersonal and customer service skills.
• Business and commercial awareness.
• Ability to work independently and collaboratively across technical teams.

As a requirement of employment, all SEACORP employees must hold U.S. Citizenship.

Location: Middletown, RI

Travel: None

Clearance: Secret

Work Environment & Physical Demands: Office & Computer Laboratories - Sitting, standing, extended periods of time using a mouse and keyboard and viewing computer screens. Infrequent lifting of <40lbs. Movement between points within the same office or between buildings. Work is performed in generally consistent environmental conditions with some seasonality for temperature differences and lighting.

Successful candidates will enjoy competitive wages and a very rich benefit program, including:

• Medical Benefits: Choice of two medical insurance programs through Blue Cross & Blue Shield.
• Dental Benefits: A best in class Dental Insurance Plan through Delta Dental.
• Vision Benefits: An excellent Vision Benefit providing discounts and allowances for prescription glasses and contact lenses.
• Retirement Benefits: A qualified 401(k) Retirement Savings Account with a generous employer matching contribution up to 8% of your eligible compensation.
• Life Insurance Benefits: Employer paid Life and Accidental Death & Dismemberment Insurance equal to your annual salary. Supplemental coverage is available for you and qualified family members as well as Supplemental Short-Term and Long-Term Disability Insurance.
• Additional Benefits: Ten (10) Paid Holidays per year (including 2 floating Holidays), a generous Paid Time Off (PTO) program; Tuition Reimbursement, and Referral Bonuses.

Undersea, on the surface, or in the air, SEACORP leverages its software and engineering expertise to deliver cutting edge warfare systems.

SEACORP is a proud Equal Opportunity Employer and complies with all applicable federal, state and local fair employment practices laws. SEACORP strictly prohibits and does not tolerate discrimination against employees, applicants or any other covered persons because of race, color, religion, creed, national origin or ancestry, ethnicity, sex, gender (including gender nonconformity and status as a transgender or transsexual individual), age, sexual orientation, physical or mental disability, citizenship, past, current or prospective service in the uniformed services, genetic information, or any other characteristic protected under applicable federal, state or local law.

Equal employment opportunity, including veterans and individuals with disabilities.