Network Engineer III

Systems Engineering • Portland, ME

1d • Hybrid

About The Position

Systems Engineering is seeking a full-time Network Engineer III for a client-facing role designing, implementing, maintaining, and supporting advanced networking, security, and collaboration solutions for businesses. The engineer will work with routing, switching, firewalls, wireless networking, and collaboration systems, partnering with clients and internal teams to keep technology environments secure, reliable, and aligned with business goals.

The role calls for a motivated engineer with strong networking and firewall experience, a commitment to engineering excellence and client service, strong problem-solving and decision-making skills, attention to detail, and an aptitude for learning new technologies. The ability to work independently and collaboratively is essential. This is a hybrid position based in Portland, Maine, combining onsite, remote, and client-site work. The position participates in a 24x7 on-call rotation and may require after-hours work.

Due to ITAR requirements, the role may involve access to controlled information and technology. Candidates must be U.S. citizens or lawful permanent residents and willing to undergo a thorough background check.

Requirements

• Associate degree in a technical field, or an equivalent combination of education, certifications, and relevant experience.
• At least five years of professional technology experience, including at least three years in a service-based environment.
• Experience installing, configuring, managing, or troubleshooting Fortinet technologies, including FortiGate, FortiAP, and FortiSwitch, as well as SASE, Cisco, Cisco Nexus, and Meraki technologies.
• Experience researching, implementing, managing, and troubleshooting network infrastructure across networking, security, and collaboration platforms.
• Strong knowledge of the OSI model and core networking principles.
• Broad knowledge of cybersecurity concepts, including protection, detection, and incident response.
• Ability to explain how network technology and infrastructure can support client operations and business goals.
• Strong client service, communication, and interpersonal skills, with a demonstrated commitment to professionalism.
• Ability to work collaboratively, remain accountable for assigned projects and deliverables, and produce results that meet client needs.
• Effective critical-thinking, analytical, decision-making, and problem-solving skills.
• Strong organizational, multitasking, and time-management skills, with the ability to adapt to changing priorities.
• Ability to manage multiple concurrent client projects while balancing priorities, dependencies, milestones, deliverables, and stakeholder expectations.
• Ability to work outside normal business hours when required.
• Valid driver's license and acceptable driving record.
• Must be a U.S. citizen or lawful permanent resident and willing to undergo a thorough background check.

Nice To Haves

• Current technical certifications from Cisco, such as CCNA or CCNP, and/or Fortinet, such as NSE4 or NSE7, are strongly preferred.

Responsibilities

• Identify, analyze, troubleshoot, and resolve network, system, and performance issues.
• Design, implement, and integrate networking, security, and collaboration technologies within client environments.
• Serve as a technical resource for diagnosing and remediating complex client technology issues.
• Develop Systems Engineering standards documentation, technical guidelines, and best practices.
• Create and maintain accurate, comprehensive network and technical documentation.
• Partner with Account Managers to assess client needs and design, refine, and present technology proposals to clients and prospective clients.
• Serve as a subject matter resource in one or more assigned technologies.
• Provide technical guidance and leadership to network administrators, LAN and WAN engineers, account managers, and other internal stakeholders within assigned areas of expertise.
• Maintain timely and accurate project documentation and time entries in support of effective client service and project management.
• Contribute to internal methodologies, templates, and best practices that enhance service delivery and client outcomes.
• Participate in the 24x7 on-call support rotation.
• Participate in after-hours project implementation.
• Obtain and maintain certifications required to support partnerships with key technology vendors.

Benefits

• Competitive medical, dental, and vision benefits.
• Employer-paid life, short-term disability, and long-term disability insurance.
• 24/7 Employee Assistance Program.
• Onsite fitness facilities, daily stretch breaks, and free health coaching programs.
• Employer 401(k) matching contributions.
• Short-Term Incentive Plan tied to individual and company performance.
• Free financial advising.
• Paid Time Off starting with 17 days and nine paid holidays.
• Hybrid work arrangements.
• Paid parental leave and dependent care FSA programs.
• Career mobility and employer-supported training, learning, and certification opportunities, including tuition reimbursement.
• Paid community volunteer time and employer charitable-match programs.
• Corporate golf membership, company-provided season tickets to local sports teams, employer-provided parking, and regular company gatherings.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: Associate degree