Onsite_Network LAN SDA Engineer_Plano TX

Themesoft Inc; Plano (TX); On-site; USD 96,000 - 152,000; Full time

Job summary

The Themesoft Inc team is seeking a Network LAN SDA Engineer to design, deploy, and support Cisco SDA fabric solutions in aPlano, TX onsite environment. You will configure Catalyst Center, manage fabric roles, monitor performance, and collaborate with security and OT teams to ensure high availability.

The role requires strong communication, hands-on automation skills with Python/Ansible/Terraform, and solid knowledge of SDA, DNAC, ISE, and WAN/LAN concepts. An SDA certification is preferred.

Qualifications

• Experience designing and implementing Cisco SDA and Catalyst Center solutions.
• Strong IP addressing and subnetting knowledge (VLSM).
• Proficient scripting in Python, Ansible, Perl and Terraform.
• Cisco SDA certification or higher.

Responsibilities

• Plan, configure, and implement Cisco SDA fabric solutions using Catalyst Center.
• Manage fabric roles including control plane, border, and edge node configurations.
• Perform fabric monitoring, assurance, and policy management.
• Lead software upgrades, patching, and maintenance across switching infrastructure.
• Conduct root-cause analysis and implement preventive measures to improve reliability.

Skills

Cisco SDA

Python

Ansible

Perl

Terraform

Cisco DNA Center

Tools

Cisco DNAC/Catalyst Center

Cisco ISE

PagerDuty

Nagios

Datadog

Grafana

Zabbix

Site24x7

CloudWatch

Job description

Job Id : OOJ - 27651

Posted Date : 10/16/2026

Experience : -

Job Type : Contractual

Location : PLANO

Overview

• Location: Plano TX
• Work Arrangement: Onsite
• Employment Type: Contract
• Contract Duration: 6-12 Months
• Job Title: Network LAN SDA Engineer

Must Have Technical/Functional Skills

• High-level teaming and communication skills to influence and persuade others.
• Strong written and verbal communication skills with the ability to create and present concepts and recommendations to management.
• Deep understanding of Internet Protocol (IP) addressing and Variable Length Subnet Mask (VLSM).
• Extensive experience on designing and implementing Cisco SDA (Software-Defined Access), Catalyst Center with Data Center Networking Technologies and Cloud Solutions.
• Strong experience with Monitoring and Alerting Tools: Cisco DNAC/Catalyst Center, Cisco ISE, PagerDuty, Nagios, Data Dog, Thousand Eyes, CloudWatch, Grafana, Zabbix & Site24x7
• Deep understanding of Local Area Network (LAN) switching technologies including SDA, DNAC, ISE, VXLAN, ACI, fabric path, Spanning Tree (STP), Virtual LAN (VLAN), and VLAN Trunking Protocol (VTP) concepts.
• Cisco SDA Certified or higher certification
• Proficient with scripting technologies, including but not limited to Python, Ansible, Perl, and Terraform.

Roles & Responsibilities

• Must have excellent communication and troubleshooting skills.
• Support a Cisco centric LAN, WAN and WLAN environment. This includes Switches routers, firewalls, security, wireless & ISE.
• Plan, configure, and implement Cisco SDA fabric solutions using Cisco Catalyst Center (formerly DNA Center).
• Manage fabric roles including control plane, border, and edge node configurations.
• Perform fabric monitoring, assurance, and policy management.
• Provide operational technical support for Cisco Catalyst 9300, 9500, 9600 series, and Cisco IE industrial switches.
• Handle network integration and troubleshooting within OT environments.
• Perform hardware installations including stacking, power redundancy, and module replacements.
• Measurement, optimization, and tuning of network performance and ensuring that systems will run reliably and are highly available.
• Deep understanding of network orchestration and automation using Cisco SDA & DNAC with ISE integration, Phyton & Ansible.
• Perform critical technical troubleshooting for LAN and fabric-related incidents.
• Lead software upgrades, patching, and maintenance activities across switching infrastructure.
• Conduct root-cause analysis and implement preventive measures to improve network reliability.
• Strong knowledge and practical experience with OSPF, BGP, ISI-IS protocols.
• Prepare and maintain detailed technical documentation, network diagrams, and SOPs.
• Collaborate with cross-functional teams including security, OT operations, and project engineering.
• Support change, problem management activities and participate in on-call rotation for critical events.
• Function as a point of escalation for operational entities regarding regular or complex issues.
• Monitor system for trouble areas and proactively resolve and document root cause.
• Work closely with customer, Infrastructure teams and vendors such as Cisco.
• Experience working Agile methodologies or working as part of an Agile team.

Work Authorization

Applicants must be legally authorized to work in the United States.

Equal Employment Opportunity

Themesoft Inc is an Equal Employment Opportunity employer. We consider qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other status protected by applicable federal, state, or local law.

Skills

• ANSIBLE,PYTHON,INTERNET,SPANNING TREE,LAN,PERL,OSPF,VLAN,VXLAN,GRAFANA