Senior Network Engineer L2

Rehmann; Michigan; On-site; USD 90,000 - 130,000; Full time

Job summary

Rehmann is seeking a Senior Network Engineer to design, implement, and maintain high-performing networks for diverse clients. You will lead projects across on-premises, co-hosted, and cloud environments, with emphasis on Fortinet, Cisco, WatchGuard, and Ruckus technologies.

The role requires strong problem-solving, communication, and project-management skills, plus willingness to travel and support clients outside standard hours. A related degree and relevant certifications are highly valued.

Qualifications

• Requires degree in Computer Information Systems, Computer Science, Information Technology, or related field (or equivalent experience).
• Vendor certifications such as Fortinet FCP/FCSS, Cisco CCNP/CCNA, Microsoft Azure Network Engineer Associate are highly desirable.
• Proven experience designing and implementing robust, scalable networks for diverse clients.
• Extensive experience with firewalls, wireless APs, routers, switches from Fortinet/WatchGuard/Ruckus/Cisco.
• Strong knowledge of TCP/IP, VLAN, VPN, SD-WAN, ZTNA, DHCP, DNS, routing protocols.
• Familiarity with Azure cloud networking and VMware/Hyper-V environments.
• Willingness to travel to client sites and work outside regular hours.

Responsibilities

• Design and implement on-premises, co-hosted, and cloud networking solutions.
• Architect and maintain secure, high-availability networks (firewall, switching, routing, wireless).
• Assist in developing new service offerings and evaluating new technologies.
• Provide presales support and review client environments for upgrades or changes.
• Manage service requests, document steps, and ensure timely resolution within SLAs/OLAs.
• Track billable work accurately in the PSA system and maintain professional notes.
• Troubleshoot remotely and on-site, adhering to best practices and security standards.
• Communicate complex concepts clearly to diverse stakeholders.
• Collaborate in team meetings and contribute to documentation and training.

Skills

Network design

Troubleshooting

Project management

Communication

Team collaboration

Travel readiness

Education

Bachelor’s degree in CS/IT/ CIS or related field

High school diploma

Tools

Fortinet

WatchGuard

Cisco

Ruckus

Azure networking

VMware/Hyper-V

Job description

Your Passion. Your Purpose.
If you’re here, you’re looking for something more. More opportunity, more impact, more purpose. At Rehmann, each and every one of our associates plays a pivotal role in the Firm’s success. When you join our team, you can count on exceptional support, encouragement, and guidance from your colleagues and from leadership.

No matter where you want to go in your career, Rehmann can help you get there. Whether you’re in the early stages of your professional journey or you’re further down your path, we’re focused on helping you achieve your goals – whatever they may be. When you join Rehmann, you are part of a culture that Puts People First and aims to help everyone reach their fullest potential. Let us show you all the ways we can Empower Your Purpose.

To learn more about Rehmann, visit: https://www.rehmann.com/careers/

Job Description

Job Summary

As a Senior Network Engineer, you will be a subject matter expert and the highest point of escalation for the technology you champion. You will be responsible for designing, implementing, and maintaining high-performing, highly available systems to meet our clients' functional and cost requirements. The ideal candidate will have extensive experience with Fortinet, Watchguard, Cisco, Ruckus, and Microsoft Azure networking technologies and familiarity with offerings from other vendors. You will also work closely with our clients to understand their unique needs and provide innovative solutions that align with their business objectives, and collaborate with our internal teams to ensure the smooth delivery of projects and provide technical guidance and mentorship to junior team members.

Essential Duties/Responsibilities

• Project-Based Implementations: Perform IT project work for clients, designing and implementing on-premises networking systems as well as co-hosted and cloud networking.
• Systems Architecture: Design, implement, and maintain high-performing, highly available, and secure network systems including but not limited to switching, routing, firewall, cloud networking, and wireless.
• Research and Development: Assist in researching and developing potential new offerings that can be delivered through our business models. Actively participate in the evaluation of new technology to enhance our service portfolio and develop implementation plans to add new tech to our stack.
• Presales Support: Provide presales consultation to business advisors and account managers, including reviewing existing client environments and recommending upgrades or changes.
• Service Request Management: Efficiently manage service requests, ensuring accurate and detailed updates, including next steps. Schedule, research, resolve, and route service requests as appropriate, escalating based on established processes and timeframes.
• Time Tracking and Billing: This is a billable role, and time entry and accurate tracking of billable work for clients is critical to our success. Time is entered in our PSA system on tickets and projects and notes must be professional and accurate.
• Troubleshooting: Provide remote and on-site troubleshooting, utilizing appropriate tools to diagnose and remediate issues with client systems. Ensure compliance with service level agreements (SLAs) and operation level agreements (OLAs) while adhering to established best practices.
• Organization: Demonstrate a high level of organization, efficiently handling a variety of tasks and responsibilities while maintaining a high standard of quality.
• Flexibility: Exhibit the ability to adapt quickly to new topics, technology, and processes to address emerging IT needs and opportunities for our clients. Work schedule may require conformity to client needs and outcomes.
• Security and Compliance: Implement and maintain robust security measures to protect client data and systems from unauthorized access, breaches, and cyber threats. When applicable, ensure compliance with relevant industry standards and regulations, such as NIST, GDPR, HIPAA, and PCI-DSS.
• Disaster Recovery and Business Continuity: Develop and maintain disaster recovery and business continuity plans for clients' systems. Regularly test and update these plans to ensure their effectiveness in the event of an incident.
• Performance Monitoring and Optimization: Evaluate systems by monitoring system performance, identifying bottlenecks, and implementing optimizations to improve efficiency and reliability. Utilize monitoring tools and analytics to proactively address potential issues before they impact clients.
• Vendor Management: Liaise with third-party vendors and service providers to ensure seamless integration of their solutions with clients' systems.
• Communication: Demonstrate excellent communication skills, effectively conveying technical concepts to individuals with varying levels of computer expertise. Ability to explain complex technical concepts in layman’s terms is essential.
• Teamwork: Actively participate in regular team meetings and status update meetings, fostering a collaborative and supportive team environment.
• Documentation: Document client environments and technical processes, procedures, and solutions for knowledge sharing and future reference. Assist in the creation of user guides, training materials, and technical documentation.
• On-Call Rotation: Participate in on-call rotation to provide emergency support and resolve critical issues outside of regular business hours.
• Uphold Rehmann Values: Put people first, be obsessed with client success, cultivate business wisdom, embrace an entrepreneurial spirit, exhibit unwavering integrity.
• Other duties as assigned to meet client and organizational goals.

Required Skills/Abilities

• Education: High school diploma required. Degree in Computer Information Systems, Computer Science, Information Technology, or a related field (or equivalent work experience) required.
• Certifications: Relevant vendor certifications such as Fortinet’s FCP or FCSS, Cisco’s CCNP or CCNA, Microsoft Certified: Azure Network Engineer Associate, and/or other vendor certifications are highly desirable.
• Proven experience designing and implementing robust, scalable, secure, and high-performance networks that meet the unique needs of various clients.
• Extensive experience with firewalls, wireless access points, routers, switches, and other network technology from leading vendors such as Fortinet, WatchGuard, Ruckus, and Cisco required.
• In-depth knowledge of Fortinet’s stack preferred, including FortiGate, FortiAP, FortiSwitch, FortiManager, FortiAnalyzer, and other technology.
• Strong understanding of network protocols, topologies, and architectures, including TCP/IP, VLAN, VPN, SD-WAN, ZTNA, DHCP, DNS, and routing protocols.
• Familiarity with cloud networking in Azure and software-based-networking in VMware and Hyper-V environments.
• Willingness to travel to client sites as needed, and to work outside of regular business hours when required. As such, must have reliable transportation.
• Excellent problem-solving and analytical skills, with the ability to troubleshoot complex technical issues.
• Strong project management skills, with the ability to handle multiple projects simultaneously.
• Exceptional communication and interpersonal skills, with the ability to collaborate effectively with both technical and non-technical stakeholders.
• Passion for learning and staying current with emerging technologies and industry trends.

Additional Responsibilities

• Unquestionably sound ethics.
• Works well in team environment.
• Excellent written and oral communications skills.
• Empathy and ability to provide relevant answers suitable to clients/customers at different stages of Services processes.
• Ability to remain calm and work well under pressure.
• Manage multiple priorities and deadlines, through disciplined approaches and clear communication.
• Self-motivated
• The ability to locate, track, organize and summarize information.
• Willingness to travel (98% local/state, nationally 2x per year average).
• Good problem solving and decision-making skills; ability to understand and analyze complex issues. Excellent troubleshooting skills.
• Adaptable.
• Able and willing to coach and train others.
• The ability to build relationships; to ask questions that elicit responses and engage the other in discussion; the ability to introduce and describe relevance at the onset of the engagement and provide summaries to reinforce the message.
• Sense of humor!

We Put People First in all that we do. Our associates are our greatest assets and we provide programs and benefits that encourage growth and development and align with their needs and goals. This includes benefits focused on physical and mental health, paid time off for volunteering and diversity-related activities, flexible work arrangements, and more.
When you join Rehmann, you become part of a firm dedicated to helping Empower Your Purpose, whatever it may be.

Rehmann is an Equal Opportunity Employer.