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Fujitsu

# Dallas, Texas Support Eng Iii Tx 75201

$82,465 to $117,807 

Listed on Fujitsu’s official careers site. Listed as of October 20, 2026. Check that it is still open and apply there.
[Apply on Fujitsu’s careers site →](https://www.jobs.global.fujitsu.com/job/Dallas%2C-Texas-SUPPORT-ENG-III-TX-75201/4462050/)

[OpenNash Jobs](https://jobs.opennash.com/) / [Fujitsu](https://jobs.opennash.com/companies/fujitsu/) / Dallas, Texas Support Eng Iii Tx 75201

## Job description

About 1FINITY 1Finity, a Fujitsu company, is a global provider of communications networks for our connected world. We uniquely combine technological leadership and expertise in open optical and wireless networking, network automation, and applied AI/ML to design, build, operate, and maintain critical digital communications network infrastructure. Collaborating closely with ecosystem partners, we deliver transformative outcomes for service providers and network operators, and enable them to lower TCO, improve network performance, and increase energy efficiency.

We’re also a diverse, inclusive, and innovative workplace that achieves together. We offer highly competitive compensation, benefits, and career development opportunities, as well as flexible options for working your way. See what working at 1Finity looks like at [https://www.linkedin.com/company/1finity-inc/](https://www.linkedin.com/company/1finity-inc/). For more information, please visit [https://1finity.com/?utm_source=li&utm_medium=soc](https://1finity.com/?utm_source=li&utm_medium=soc). SPM (Solution and Performance Management) Network Support Engineer Corporate Overview 1Finity is a trusted technology partner serving customers across diverse industries, helping them maximize the value, performance, and reliability of their communications networks.

As a leading U.S.-based networking solutions provider and a top U.S. patent holder in optical networking, 1Finity delivers innovative technologies that enable mission-critical connectivity, network transformation, and operational excellence.

### Job Description

Service Operations is seeking a highly experienced Network Operations Engineer with advanced expertise in IP networking, optical transport technologies, and multi-vendor network environments. The ideal candidate possesses deep technical knowledge across routing, switching, transport, and network operations, along with a strong understanding of end-to-end network architectures. This role is responsible for providing technical leadership in troubleshooting, network validation, service assurance, automation initiatives, and customer support activities.

The successful candidate will work directly with customers, NOCs, engineering teams, and third-party vendors to ensure network reliability, performance, and service availability.

### Key Responsibilities
- Provide advanced troubleshooting and root cause analysis for IP, optical, and transport network issues
- Support critical customer escalations and provide technical leadership during major incidents
- Perform packet captures, protocol analysis, and detailed log investigations to identify network anomalies.
- Configure, validate, and support multi-vendor networking solutions including Nokia, Cisco, Juniper, Fujitsu, and other industry-leading platforms
- Support network implementation, migrations, expansions, and optimization activities
- Conduct software upgrades, firmware updates, and hardware refresh activities in both lab and production environments
- Develop, maintain, and execute automated test scripts and operational workflows
- Participate in network automation initiatives using modern scripting and automation frameworks
- Deliver exceptional customer experience through proactive communication and technical leadership.
- Work closely with Product Engineering, Software Development, NOC Operations, and third-party vendors
- Participate in disaster recovery, business continuity, and operational risk reduction initiatives
- Ability to work in a 24x7 operational support environment and participate in on-call escalation rotations

### Required Qualifications
- Bachelor’s degree in computer science, Information Technology, Network Engineering, or equivalent experience
- 5+ years of experience supporting enterprise, carrier, service provider, or data center networks Experience supporting optical transport technologies including DWDM, ROADM, OTN, and Carrier Ethernet solutions Hands-on experience with Nokia, Cisco, Juniper, Fujitsu, and other networking platforms
- Strong understanding of software lifecycle management, software maintenance, and upgrade methodologies Extensive experience with routing protocols including BGP, OSPF, IS-IS, and MPLS-based environments.

Excellent verbal and written communication skills. Strong analytical, problem-solving, and technical writing skills Cisco CCNA, Juniper JNCIA, Nokia NRFI

### Desired Qualifications

Experience with network automation, orchestration, and Infrastructure-as-Code methodologies Cisco CCNP, Juniper JNCIS/P, Nokia NRFII and ONF Understanding of cybersecurity principles and network security best practices Working knowledge of Linux operating systems and virtualization technologies Proficiency in scripting and automation using Python, Go, JavaScript, or similar languages As of the date of this posting, a good faith estimate of the current pay scale for this position is:
- $82,465 to $117,807 Placement in the range depends on several factors such as experience and skills and may change over time. Additionally, this role may be eligible for an annual bonus, which is based on individual

We comply with all applicable minimum wage laws.

Benefits available include:
- Medical, vision, and dental insurance,
- Life insurance,
- Short-term and long-term disability insurance,
- 401k
- Paid Time Off
- Any leave required under federal, state, or local law, as applicable, such as leave under the Colorado Healthy Families and Workplaces Act. Benefits are subject to vesting and eligibility requirements. Applications are being accepted on an ongoing basis. #Americas_Priority

At 1Finity, one of our corporate principles is "We respect human rights”. This commitment guides the actions of every1Finity Group member and is fundamental to how we operate, both as individuals and as a company. We are proud to be an equal opportunity employer that values diversity and inclusion. Qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.

By empowering people, we can unleash our collective strengths to create a better experience for our employees, our customers, and our partners.

### California Privacy Act

[https://www.fujitsu.com/us/Images/CALIFORNIA-CONSUMER-PRIVACY-ACT-NOTICE.pdf](https://www.fujitsu.com/us/Images/CALIFORNIA-CONSUMER-PRIVACY-ACT-NOTICE.pdf)

## At a glance
- Posted by the employer: Not stated
- First seen by OpenNash: Oct 13, 2026
- Last checked: Oct 20, 2026
- Listed for: 7 days
- Pay: $82,465 to $117,807[Apply on Fujitsu’s careers site →](https://www.jobs.global.fujitsu.com/job/Dallas%2C-Texas-SUPPORT-ENG-III-TX-75201/4462050/)

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