Network Engineer III

Opti9 Technologies; Omaha (NE); Hybrid; USD 90,000 - 150,000; Full time

Benefits offered by this job

Unlimited PTO

Flexible Work Options

Health, Dental & Vision Coverage

HSA & FSA Plans

401(k) with Company Match

Professional Development

Zoo Membership

Job summary

Opti9 Technologies is seeking a Network Engineer III to join our Cloud Networking team. You will work on a range of physical and logical technologies in the cloud provider space, including new customer deployments and cross-vendor integration.

You will act as Tier 3 support for Cloud Ops/NOC and collaborate with internal teams and customers. A strong background in data center networking, SDN, and automation is essential.

Qualifications

• 6+ years in infra/network design, planning, and deployment.
• Experience with Cisco/Arista spine-leaf data center deployments and NSX.
• Proficiency in Python, Ansible, or similar automation technology.
• Experience with VMware vSphere, NSX-T/NSX-V.
• Knowledge of WAN technologies including MPLS, SD-WAN.
• Strong written and verbal communication in English.

Responsibilities

• Configure and support logical circuit connections across backbone to customer sites and regions.
• Manage data center and Colo connectivity down to the access level.
• Monitor networking/security platforms and ensure SLA uptimes.
• Verify and act on events from monitoring tools and WAF.
• Troubleshoot complex connectivity; modify NAT and firewall rules.
• Participate in customer-facing design, diagrams, and documentation.
• Deploy NSX and VMware Cloud Director network configurations.
• Maintain capacity across data center and regions for public/private cloud.
• Improve automation with Python, Nautobot, Ansible, and related tools
• Document customer and infrastructure diagrams with current versions.

Skills

Network infra

Cisco/Arista

Python automation

NSX/vSphere

WAN/LAN

TCP/IP

Monitoring tools

Security integration

Tools

Cisco IOS-XE

Arista NX-OS

VMware NSX

Python/Nautobot/Ansible

Job description

Is this you? Are you a Network Engineer III with experience working in cloud service provider environment that strives for customer excellence, revels in being a part of constant innovation, and enjoys being an important cog in the Cloud space? If so, then we'd love to hear from you.

Who are we? Glad you asked! Opti9 is a trusted cloud solutions provider committed to delivering industry-leading, tailored solutions that meet the unique needs of businesses across a wide range of industries. We are a premier Veeam partner, as well as an AWS Premier Consulting Partner and Certified Solution Provider. Our expertise includes managed cloud, backup and replication, disaster recovery, security, and Microsoft 365 solutions. In the public cloud space, we specialize in migration, optimization, transformation, and cloud-first application consulting.

What sets us apart? A fun, casual, and collaborative culture that embraces fresh ideas, innovation, and a strong customer-first mindset. At Opti9, we work hard, support each other, and never shy away from a challenge. We believe in balancing results with a positive team spirit—and we’re always on the lookout for authentic, accountable individuals who are ready to grow with us and make an impact.

What would you do? As a Network Engineer III, you will be a part of a diverse and talented Cloud Networking team that works with a wide range of physical and logical technologies in the Cloud provider space. As a member of the team, you will be tasked with weekly and monthly customer facing projects that involve pushing our infrastructure to the next level while staying competitive in the marketplace we reside in. You will be pushing the boundaries on SDN, micro segmentation, logical circuit technologies, data center designs and concepts, etc. You will be working across multiple vendors for networking and security products that support our public and private cloud infrastructure. Primarily, this role will be focused on doing new customer deployments across our supporting technologies.

This role will require excellent interpersonal skills between internal teams and our customers representing the product workload owners. Also in this role, you will be acting as Tier 3 support to the Cloud Ops and NOC teams as needed outside of regular customer related projects.

What are the details?

Primary Responsibilities:

• Configure and support logical circuit connections across backbone to customer sites and regions such as Megaport, PacketFabric, ExpressRoute (Azure), DirectConnect (AWS), etc.
• Manage and maintain all data center and Colocation core and distro connectivity all the way down to the access level
• Manage all Networking/Security monitoring platforms and ensure adherence to customer and infrastructure SLA uptimes
• Utilize approved tools to verify and take required action on events aggregated from network monitoring tools and Web Application Firewall
• Troubleshoot and resolve sometimes complex network connectivity issues, adding/modifying NAT entries and firewall rules and initiating routes to enable connectivity
• Participate in occasional customer-facing projects involving design, diagrams, documentation, and implementation
• Execute new customer deployments involving NSX, security configurations, VMware Cloud Director network configurations, etc.
• Manage and maintain all data center and regional capacity on physical and logical circuit technologies supporting our public and private cloud infrastructure
• Manage, maintain, and improve the Opti9Tech SDWAN and VMware NSX (V/T) SDN infrastructure supporting customer and infrastructure workloads
• Regularly map and document customer and infrastructure diagrams to current and accurate versions
• Design and implement automation strategies that improve or co‑exist with current automation infrastructure
• Mature our automation strategy using Python, Nautobot, Ansible, and other automation tie‑ins

What do you know?

Technical Knowledge and Experience:

• 6+ years related experience in infrastructure/network environments and designing, planning, documenting and implementing LANs and WANs using latest technology
• 6+ years related experience with Cisco or Arista routing/switching/firewall products including IOS-XE, IOS-XR, and NX-OS service provider level infrastructure
• Proficiency in Python, Ansible, or similar automation technology
• Extensive experience with Cisco/Arista Spine & Leaf Data Center deployments
• Extensive experience with VMware vSphere, NSX-V & NSX-T SDN technologies
• VMware Cloud Foundation (VCF) experience a plus
• Expertise on IP Technologies and extensive knowledge of WAN technologies including both MPLS, SD-WAN, DWDM, etc.
• Extensive experience and expertise on IP routing protocols such as EIGRP, OSPF, and BGP
• Advanced understanding of TCP/IP network protocols, including common application protocols
• Proficiency with monitoring platforms such as Netmon, Solarwinds, Icinga, etc.
• Knowledge of SASE platforms such as Zscaler, Perimeter 81, etc.
• Proficiency in Fortinet and Palo Alto UTM next‑gen firewall technologies

General Knowledge and Experience:

• Strong interpersonal and customer service skills with the ability to work effectively with both local and remote staff, teammates, and managers
• Willingness to occasionally adjust work schedule to meet business needs (standard is 40‑hour week, with occasional after hours and weekend requirements in an on‑call fashion)
• Capacity to work in a fast‑paced environment; ability to multi‑task, change direction, effectively prioritize, and meet deadlines
• Proficiency in effectively communicating complex technical concepts in English, both verbally and in writing, to a variety of audiences
• Experience in high‑availability networks in load‑balanced, n‑tier application environments.
• Highly effective in documentation and diagram creation for customer and infrastructure needs
• Strong organizational, oral, and written communication skills
• Working knowledge of data security best practices
• Strives to grow within the team and personally as an engineer through education, certs, etc. and must have a “can do” attitude

What do you get from us?

• Unlimited PTO – That’s right! Unlimited PTO and paid holidays so you can recharge, take care of what matters, and bring your best self to work
• Flexible Work Options – Enjoy the flexibility of a hybrid schedule with a mix of remote and in‑office collaboration if you're located near one of our offices
• Health, Dental & Vision Coverage – Comprehensive insurance plans to keep you and your family healthy
• HSA & FSA Plans – Use pre‑tax dollars for healthcare and dependent care expenses. Plus, we contribute to your HSA every paycheck
• Wellness Reimbursement – An annual benefit to support your physical and mental well‑being, covering a wide range of health‑related expenses
• 401(k) with Company Match – Invest in your future with our 401(k) plan and company contribution
• Casual, Supportive Culture – We keep things laid‑back but focused, with a strong emphasis on teamwork and accountability
• Recognition & Rewards – We celebrate wins and recognize contributions with regular programs that highlight your impact
• Professional Development – Access learning opportunities, training programs and support for certifications to help you grow your career
• Give Back Together – Participate in group volunteer opportunities and community initiatives that align with our values
• Zoo Membership – Unwind outside of work with a 50% reimbursement on your annual zoo membership
• A Place You’ll Want to Be – We’re building a team of great people doing meaningful work—and we have fun doing it

Opti9 provides equal employment opportunities to all employees and applicants for employment without regard to race, color, ancestry, national origin, gender, sexual orientation, marital status, religion, age, disability, gender identity, results of genetic testing, service in the military, or any other legally protected characteristic.

Our hiring process includes AI screening for keywords and minimum qualifications. Recruiters review all results.