Senior Enterprise Network Engineer

Senior Network Support Engineer

At Jack Henry, we're more than a technology company, we're a force for good in financial services. We're redefining how community banks and credit unions connect with the people they serve. Our mission is rooted in people inspired innovation, empowering financial institutions to deliver seamless, secure, and human centered experiences. We deliver cutting-edge solutions that are paving the way for the next generation of digital banking and payments, but our true impact begins with our associates. If you're ready to help transform an industry and grow with a company that values purpose, collaboration, and excellence then we'd love to meet you.

At Jack Henry, we're seeking a Senior Network Support Engineer to become a vital part of our Enterprise Network team. In this role, you'll oversee and enhance our sophisticated network infrastructure, which spans from datacenters to millions of end-users across financial institutions. Our technology environment combines cutting-edge wired and wireless solutions, offering you a chance to innovate and excel.

As a Senior Network Support Engineer, you'll manage network moves, upgrades, and incident resolution. You'll troubleshoot complex wired and wireless connectivity issues, implement network optimizations, and ensure robust, high-performing connectivity across our organization. This is an ideal opportunity for professionals eager to leverage their expertise in enterprise-scale environments and grow within a fast-paced, technology-driven organization.

This position may be worked remotely within the United States, with the exception of California.

This position is ineligible for immigration sponsorship and support. Please do not apply if at any time you will need immigration support now or in the future (i.e., H-1B, PERM).

All positions, regardless of location, may require an onsite interview or in-person onboarding requirement to verify your identity.

What You'll Be Responsible For:

• Assist in maintaining and deploying multi-vendor high-availability network solutions to support enterprise and data centers environments, ensuring compliance with financial industry regulations and security standards.
• Configure and maintain network devices such as routers, switches, Wireless Controllers (eg Cisco, Arista).
• Support the implementation of network protocols such BGP, EIGRP, OSPF, MPLS, L3 VPNs, VxLAN, DMVPNs etc.
• Maintain and leverage network automation scripts using Python, Ansible to safely execute changes to production network devices.
• Provide support for the Wireless Environment across all Jack Henry locations.
• Collaborate with cross-functional teams, including Security, Systems, and Operations, to deliver reliable and secure network services.
• Utilize existing SOPs to execute disaster recovery and business continuity exercises.
• Participate in capacity planning and network expansion projects, ensuring scalability and future proofing of the infrastructure to meet the growing needs of banks and credit unions.
• Create and maintain detailed network documentation, including diagrams, configurations, and operational procedures.
• Regularly troubleshoot, resolve network issues.
• Participate in on-call rotation with other members of the team.
• Providing guidance to junior engineers and support staff.
• Stay current with emerging networking technologies and recommend improvements to enhance performance and reduce operational risk.
• May perform other duties as assigned.

What You'll Need To Have:

• At least 7 years of experience as a network engineer within a large enterprise environment.
• Expertise in Layer 2/Layer 3 networking protocols, including VLANs, STP, BGP, OSPF, MPLS.
• Hands-on experience CLOS architecture (eg. Cisco ACI, Arista, Spine/leaf).
• Familiarity with real-time telemetry, analytics, and automation for enterprise, campus, and data center networks using Arista CloudVision.
• Experience managing high-capacity core network infrastructure connecting data centers, regional hubs, and cloud environments.
• Hands-on experience with network automation and scripting (eg Ansible/Python).
• Familiarity with SD-WAN and cloud networking solutions (eg AWS, Azure, or Google Cloud).
• Familiarity with Cisco ASA and Palo Alto firewalls.
• Strong analytical, problem-solving, communication and documentation skills.

What Would Be Nice For You To Have:

• Bachelor's degree in computer science, Information Technology.
• Cisco CCIE or CCNP.
• Datacenter or service provider routing and switching experience.
• Experience creating and deploying MOPs in Fintech or Financial Services Sector.

If you got this far, we hope you're feeling excited about this opportunity. Even if you don't feel you meet every single requirement on this posting, we still encourage you to apply. We're looking for passionate, driven individuals who align with our mission and can bring unique perspectives to our team.

Why Jack Henry?

At Jack Henry, we live by the motto: "Do the right thing, do whatever it takes, and have fun." It's more than a tagline, it's the foundation of our culture. We recognize that our associates are the key to our success, and we're deeply committed to their wellbeing. That's why we offer comprehensive benefits designed to support your physical, mental, and financial health so you can thrive both personally and professionally.

We're also leading the way in technology modernization, helping financial institutions evolve with speed, security, and flexibility. Our strategy focuses on delivering secure data access, mitigating fraud, and enabling seamless integration. Empowering our teams to build innovative solutions that meet the evolving needs of accountholders.

Culture Of Commitment

Ask our associates why they love Jack Henry, and many will tell you it is because our culture is exceptional. We do great things together. Our culture empowers us to rise to challenges, seek new opportunities, and support one another through change. It's this shared commitment that drives our success. We're proud to foster an environment where inclusion, sustainability, and community impact are more than values, they're how we operate. Visit our Corporate Sustainability site to learn more about our culture and commitment to our people, customers, community, environment, and shareholders.

Equal Employment Opportunity

At Jack Henry, we know we are better together. We value, respect, and protect the uniqueness each of us brings. Innovation flourishes by including all voices and makes our business - and our society - stronger. Jack Henry is an equal opportunity employer and we are committed to providing equal opportunity in all of our employment practices, including selection, hiring, performance management, promotion, transfer, compensation, benefits, education, training, social, and recreational activities to all persons regardless of race, religious creed, color, national origin, ancestry, physical disability, mental disability, genetic information, pregnancy, marital status, sex, gender, gender identity, gender expression, age, sexual orientation, and military and veteran status, or any other protected status protected by local, state or federal law.

No one will be subject to, and Jack Henry prohibits, any form of discipline, reprisal, intimidation, or retaliation for good faith reports or complaints of discrimination of any kind, pursuing any discrimination claim, or cooperating in related investigations.

Requests for full corporate job descriptions may be requested through the interview process at any time.