Network Infrastructure Engineer

Synergy Consortium services, LLC

Clinton, MS

Network Infrastructure Engineer

Job Overview

Location: Clinton, Mississippi (100% onsite; remote candidates will not be considered)

Employment Type: W2, 1099, Full-Time

Candidate Pay Rate: $61.11/hour

Submission Due To CCI no later than 10-06-2026

Experience: 15+ years of experience working with Cisco networking; 5-7+ years of experience in the listed specialized technologies and responsibilities

About the Role

The Mississippi State Department of Revenue's Office of Information Technology is seeking a senior-level Network Infrastructure Engineer to support and modernize its enterprise data center, campus, and statewide networking environment.
This hands-on role will design, deploy, secure, troubleshoot, and operate Cisco ACI, Cisco Catalyst, Software-Defined Access, Cisco ISE, observability platforms, and Palo Alto firewall infrastructure supporting mission-critical systems.

Responsibilities

Design, implement, administer, and maintain Cisco Nexus platforms operating in ACI mode, including VRFs, Bridge Domains, EPGs, ESGs, L3Outs, contracts, and fabric policies.
Integrate Cisco ACI with Red Hat OpenShift VMM and Isovalent/Cilium container networking platforms.
Configure and optimize RoCEv2 within the ACI fabric for high-performance and low-latency workloads.
Troubleshoot ACI fabric health, faults, endpoint learning, contracts, multi-tenant segmentation, and related production issues.
Develop and maintain Cisco ACI fabric documentation, standards, architecture diagrams, runbooks, operational procedures, and asset inventories.
Deploy, configure, and support Cisco Catalyst platforms in campus network environments.
Design, implement, and maintain Cisco Software-Defined Access architectures, including SDA wired fabric and fabric-enabled wireless.
Manage SDA underlay and overlay networks, policy mapping, authentication integrations, and assurance operations.
Collaborate with wireless engineering teams to optimize coverage, performance, and policy enforcement across SDA environments.
Configure and administer Cisco Identity Services Engine for TACACS+ device administration, authentication and authorization policy sets, endpoint profiling, and network access control.
Integrate Cisco Cyber Vision intelligence into endpoint profiling, segmentation, and access-control workflows.
Support Zero Trust initiatives through identity-centric segmentation and policy integration across ACI and SDA fabrics.
Deploy and manage ThousandEyes for end-to-end visibility, routing-path analysis, and performance monitoring.
Implement and support Cisco Cyber Vision for OT/IoT asset visibility, device classification, and behavior analysis.
Manage DNA Spaces for location analytics, telemetry ingestion, device behavior analysis, and wireless intelligence.
Provide network performance and observability insights to leadership using data from ThousandEyes, Cyber Vision, and DNA Spaces.
Troubleshoot complex Layer 2 and Layer 3 network issues involving VLANs, OSPF, BGP, STP, multicast, TCP/IP, routing, switching, QoS, and network security.
Design, implement, configure, and troubleshoot Palo Alto Networks next-generation firewall solutions, including security policies and security profiles.
Create and maintain architecture diagrams, technical standards, runbooks, documentation, and network asset inventories.
Support high-availability, enterprise-scale infrastructure across data centers and statewide operations.
Assist with modernization planning, platform upgrades, procurement activities, lifecycle planning, and statewide technology initiatives.
Provide ongoing operational support for reliable, scalable, secure, mission-critical network services.
Perform other duties as assigned, including occasional overtime and occasional in-state or out-of-state travel.

Required Qualifications

Minimum of 15 years of professional experience working with Cisco networking technologies.
Hands-on production experience with Cisco ACI and Cisco Nexus platforms.
Deep knowledge of Cisco ACI constructs, including VRFs, Bridge Domains, EPGs, ESGs, L3Outs, contracts, fabric policies, endpoint learning, and multi-tenant segmentation.
Experience integrating Cisco ACI with Red Hat OpenShift VMM and Isovalent/Cilium.
Proficiency with Cisco Catalyst platforms and Software-Defined Access campus architectures, including wired and wireless fabric technologies.
Experience administering Cisco Identity Services Engine, including TACACS+, authentication and authorization policy sets, endpoint profiling, and policy-based NAC.
Strong understanding of ThousandEyes, Cisco Cyber Vision, and DNA Spaces or comparable observability and network analytics platforms.
Palo Alto Networks firewall administration experience, including next-generation firewall configuration, security policies, security profiles, NAT, App-ID, URL filtering, and WildFire.
Strong Layer 2 and Layer 3 networking skills, including TCP/IP, VLANs, OSPF, BGP, STP, multicast, routing, switching, QoS, and network security fundamentals.
Ability to support high-availability, enterprise-scale, data center, campus, and statewide network infrastructure.
Ability to develop clear network diagrams, architecture documentation, technical standards, runbooks, and other architectural artifacts.
Strong analytical, troubleshooting, written, and verbal communication skills.
Ability to work effectively in fast-paced, mission-critical environments.
High school education is the stated minimum education level.
The position is 100% onsite in Clinton, Mississippi; local candidates are required and remote candidates should not be submitted.
Recommended or relevant certifications include CCNA, CCNP Data Center, CCNP Enterprise, Cisco Specialist certifications in ACI, SDA, or ISE, PCNSA, PCNSE, and ThousandEyes or Cyber Vision platform training.

Preferred Qualifications

Cisco certifications such as CCNP Data Center, CCNP Enterprise, CCIE, or equivalent experience.
Hands-on experience with container networking and virtualization integrations.
Familiarity with NIST frameworks and state-level cybersecurity requirements.
Experience with network automation tools and technologies, including Python, Ansible, and REST APIs.
Prior experience working in state government or large enterprise network environments.
PCCSA (Palo Alto Networks Certified Cybersecurity Associate).
PCNSA (Palo Alto Networks Certified Network Security Administrator).
Knowledge of Palo Alto NGFW fundamentals, threat prevention, App-ID, policy configuration, security profiles, NAT, URL filtering, and WildFire.
ThousandEyes, Cisco Cyber Vision, DNA Spaces, or related platform training.

Required Skills & Technologies

Primary Skills

Cisco ACI
Cisco Nexus
multi-tenant segmentation
Cisco SD-Access
Cisco Catalyst
Cisco ISE
TACACS+
NAC
Palo Alto Networks
L2/L3 routing
switching
ThousandEyes
Cisco Cyber Vision
DNA Spaces
TCP/IP
QoS
network security

Secondary Skills

CCNA
CCNP Data Center
CCNP Enterprise
CCIE
PCNSA
PCNSE
PCCSA
container networking
virtualization integrations
NIST frameworks
network automation tools
Python
Ansible
REST APIs
Red Hat OpenShift VMM
Cilium/Isovalent

How to Apply

To apply for this exciting opportunity, please contact:

Recruiter Contact: Show email

Update Your Resume: Please add any missing skills or certifications that align with the role.
Apply Online: Click the "Apply" button at the end of the job description and complete the required details.
Submit Supporting Documents: Completed skills Matrix(see below), Upload a photo ID. If you are not a U.S. citizen or Green Card holder (GC-EAD), please include your work authorization details.
Confirmation: Once submitted, reply to this email to let me know. I'll review your updated materials and, if there's a match, schedule a video interview to discuss further.

Required Qualifications

# of Required Years

Experience working with Cisco networking	15 Years	________________ (Years of Experience)
Hands-on experience with Cisco ACI in production environments.	5-7+ Years	________________ (Years of Experience)
Deep knowledge of ACI constructs (VRF, BD, EPG, ESG, L3Out, contracts).	5-7+ Years	________________ (Years of Experience)
Experience integrating ACI with OpenShift VMM and Cilium/Isovalent.	5-7+ Years	________________ (Years of Experience)
Proficiency with Cisco Catalyst platforms and SDA fabric technologies.	5-7+ Years	________________ (Years of Experience)
Experience administering Cisco ISE including TACACS+ and policy-set based NAC.	5-7+ Years	________________ (Years of Experience)
Strong understanding of ThousandEyes, Cyber Vision, and DNA Spaces or comparable tools.	5-7+ Years	________________ (Years of Experience)
Solid command of core TCP/IP, routing, switching, QoS, and network security fundamentals.	5-7+ Years	________________ (Years of Experience)
Ability to develop clear diagrams, documentation, and architectural artifacts.	5-7+ Years	________________ (Years of Experience)
Strong analytical and communication skills with the ability to work in fast-paced, mission-critical environments.	5-7+ Years	________________ (Years of Experience)
Cisco ACI, Nexus platforms, multi‑tenant segmentation.	5-7+ Years	________________ (Years of Experience)
SDA campus architectures.	5-7+ Years	________________ (Years of Experience)
Cisco ISE policy sets and NAC.	5-7+ Years	________________ (Years of Experience)
Palo Alto firewall administration and security profiles.	5-7+ Years	________________ (Years of Experience)
Strong L2/L3 routing and switching skills.	5-7+ Years	________________ (Years of Experience)
Preferred Skills
Cisco certifications such as CCNP Data Center, CCNP Enterprise, CCIE, or equivalent experience.	5-7+ Years	________________ (Years of Experience)
Hands-on experience with container networking and virtualization integrations.	5-7+ Years	________________ (Years of Experience)
Familiarity with NIST frameworks and state-level cybersecurity requirements.	5-7+ Years	________________ (Years of Experience)
Experience with network automation tools (Python, Ansible, REST APIs).	5-7+ Years	________________ (Years of Experience)
Prior work in state government or large enterprise network environments.	5-7+ Years	________________ (Years of Experience)
PCCSA – Palo Alto Networks Certified Cybersecurity Associate	5-7+ Years	________________ (Years of Experience)
Foundational security, NGFW basics, threats, App-ID, and policy.	5-7+ Years	________________ (Years of Experience)
PCNSA – Palo Alto Networks Certified Network Security Administrator	5-7+ Years	________________ (Years of Experience)
Focuses on NGFW configuration, security profiles, NAT, App-ID, URL filtering, WildFire	5-7+ Years	________________ (Years of Experience)

Please describe your key engagements over the past two (2) years (Required).
Please describe how past work experience relates to this position (Required).
References of submitted candidates required. Please provide the following information. Must three submit references with resume. First/last name of reference Title Company Name Job title of contractor while reporting to this supervisor/manager Telephone number. Email Address (if available)

We appreciate your time and interest in this opportunity. Our team will review your application carefully and respond promptly.

Vacancy posted more than 2 months ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Network Infrastructure Engineer. Be the first to apply!