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Added 1 min ago
C
Senior Full Stack Engineer – .NET & C#
Cognizant
Oklahoma City, OK
- $86,000 to $99,000 USD / year
As a Senior Full Stack Engineer – .NET & C#, you will make an impact by designing and developing scalable enterprise applications that support healthcare payer operations, including…
Added 1 min ago
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Senior .NET Full Stack Engineer with C#
Cognizant
Oklahoma City, OK
- $86,000 to $99,000 USD / year
As a Senior .NET Full Stack Engineer with C#, you will make an impact by designing and developing scalable enterprise applications that support healthcare payer operations, including…
Added 1 min ago
Manufacturing - Buyer
Smiths Group
Tulsa, OK
…better-connected world across four global markets: energy, security & defence, space & aerospace, and general industrial. Listed on the London Stock Exchange, Smiths employs approximately…
Added 2 mins ago
W
Senior Solutions Engineer
WeTravel
Remote, United States
- $100,000 to $175,000 USD / year
As a Senior Solution Engineer, your role spans both pre- and post-sale: from technical evaluation and solution design with high-value prospects, to driving adoption and long-term…
Added 14 mins ago
Senior DevOps Engineer
SAP
Reston, VA
Due to the potentially classified nature of our work, your willingness is required to subject yourself to a governmental security clearance process ******
Added 18 mins ago
J
Sr. Network Development Engineer, IT Cloud & Infrastructure
Jobgether
Remote, United States
- $100,000 to $155,000 USD / year
The Sr. Network Development Engineer will help design, build, and operate the cloud networking infrastructure supporting a large-scale, mission-critical technology environment. This role…
Added 30 mins ago
Senior Systems Engineer
Arctiq
Remote, United States
…environments by unifying infrastructure, networking, data, security, automation, and observability under a single, integrated operating model. Our work focuses on helping customers reduce…
Added 1 hour ago
Senior Software Engineer
Kaufman Rossin
Remote, United States
Kaufman Rossin is seeking a Senior Software Engineer to join our growing Information Technology team. In this role, you’ll help shape the future of KR’s application portfolio by delivering…
Added 1 hour ago
Senior Software Engineer
Kaufman Rossin
Remote, United States
Kaufman Rossin is seeking a Senior Software Engineer to join our growing Information Technology team. In this role, you’ll help shape the future of KR’s application portfolio by delivering…
Added 1 hour ago
Senior Software Engineer
Kaufman Rossin
Remote, United States
Kaufman Rossin is seeking a Senior Software Engineer to join our growing Information Technology team. In this role, you’ll help shape the future of KR’s application portfolio by delivering…
Added 1 hour ago
Senior Software Engineer
Kaufman Rossin
Remote, United States
Kaufman Rossin is seeking a Senior Software Engineer to join our growing Information Technology team. In this role, you’ll help shape the future of KR’s application portfolio by delivering…
Added 1 hour ago
K
Engineer/ Scientist II
Katmai
Vicksburg, MS
- $100,000 to $125,000 USD / year
…documentation and service of existing functionality for Reachback Engineer Data integration (REDi) and other applications critical to the USACE Reachback Operations Center (UROC) mission.…
Added 1 hour ago
K
Engineer/ Scientist II
Katmai
Mobile, AL
- $100,000 to $125,000 USD / year
…documentation and service of existing functionality for Reachback Engineer Data integration (REDi) and other applications critical to the USACE Reachback Operations Center (UROC) mission.…
Added 1 hour ago
Senior Full Stack Developer
KDA Consulting Inc
Chantilly, VA
The ideal candidate is a well-rounded engineer with experience across both front-end and back-end development, capable of working in Agile environments and contributing to modern…
Added 1 hour ago
Senior Full Stack Developer
KDA Consulting Inc
Herndon, VA
The ideal candidate is a well-rounded engineer with experience across both front-end and back-end development, capable of working in Agile environments and contributing to modern…
Added 1 hour ago
Senior Full Stack Developer
KDA Consulting Inc
McLean, VA
The ideal candidate is a well-rounded engineer with experience across both front-end and back-end development, capable of working in Agile environments and contributing to modern…
Added 1 hour ago
Senior Software Engineer (Big Data)
KDA Consulting Inc
Chantilly, VA
…process and analyze large volumes of data in support of national security…
Added 1 hour ago
Senior Software Engineer (Big Data)
KDA Consulting Inc
McLean, VA
…process and analyze large volumes of data in support of national security…
Added 1 hour ago
Senior Software Engineer (Big Data)
KDA Consulting Inc
Herndon, VA
…process and analyze large volumes of data in support of national security…
Added 1 hour ago
Cyber & IT Operations Analytics Engineer
KDA Consulting Inc
Herndon, VA
We are seeking a hands-on Cyber & IT Operations Data / Splunk Analytics Engineer to support the Sponsor’s IT systems data modernization ecosystem. In this role, you will address critical…
Added 1 hour ago
Principal Cloud Platform Engineer
Salem Five Bank
Salem, MA
Serve as senior hands-on engineer and escalation point for complex cloud, infrastructure, and production issues.
Added 1 hour ago
Lead Software Engineer
JustPark
Remote, United States
We are hiring a Lead Software Engineer to own the Oobeo and EnforcePlus platforms and lead the engineering team that builds and maintains it. Oobeo powers our digital permits, valet…
Added 1 hour ago
M
Senior Software Engineer- AI Agents
Microsoft
WA · CA · NY · Redmond, WA · Mountain View, CA · Redmond · Mountain View · New York
- $119,800 to $261,000 USD / year
As a Senior Software Engineer, you will own meaningful end-to-end areas of the platform, from architecture and API design through implementation, deployment, observability, and production…
Added 2 hours ago
Senior DevOps Engineer
Abbott
Pleasanton, CA
We are seeking a highly skilled and experienced Senior DevOps Engineer to design, implement, and optimize scalable DevOps solutions that support the build, release, and deployment of modern…
Added 2 hours ago
CI
Sr. Staff Software Engineer, Cribl AI
Cribl, Inc
Denver, CO
- $250,000 to $300,000 USD / year
Join the company that's building the telemetry infrastructure for the AI era. At Cribl, we partner with IT and Security teams at many of the world's biggest enterprises, including half of…

Closed listing

Cognizant

Senior Network Engineer

Little Rock, AR, United States

· The Salary for this position will be $99,000 and $115, 000 yearly depending on experience and other qualifications of the successful candidate.

This opening has closed.

The original listing is kept below for reference.

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About employer

Job details

Pay: · The Salary for this position will be $99,000 and $115, 000 yearly depending on experience and other qualifications of the successful candidate.
Experience: · 8+ years of enterprise network engineering experience, including at least 3 years in a senior or L3 role.
Posting language: English
Posted: Nov 9, 2026

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Original job description

Archived listing. The details below describe a past opening.

Job Summary

We are seeking an experienced Senior Network Engineer to design, implement, secure, operate, and optimize enterprise data-center, campus, branch, wireless, and hybrid-cloud networks. The role requires advanced hands-on expertise in F5 BIG-IP, Palo Alto Networks, Cisco ACI, Cisco Nexus, Cisco Meraki, cloud networking, and enterprise DDI platforms. The engineer will serve as an L3 escalation point, lead major-incident troubleshooting, execute migrations and lifecycle upgrades, perform root cause analysis, and collaborate with security, cloud, application, server, and architecture teams.

Key Responsibilities

Network Engineering and L3 Operations

· Own complex P1/P2 incidents involving routing, switching, wireless, firewalls, load balancing, DNS, DHCP, IPAM, VPN, SD-WAN, and hybrid-cloud connectivity.

· Lead troubleshooting bridges, analyze packet captures and telemetry, restore service, document root cause, and implement permanent corrective actions.

· Prepare and execute implementation, validation, risk, dependency, and rollback plans for production changes and maintenance windows.

· Maintain network diagrams, standards, operating procedures, inventory, capacity plans, lifecycle roadmaps, and disaster-recovery documentation.

· Participate in on-call support, vulnerability remediation, compliance reviews, and vendor escalation activities.

F5 BIG-IP

· Configure and troubleshoot F5 BIG-IP LTM, including virtual servers, pools, nodes, monitors, profiles, SNAT, persistence, traffic policies, and SSL offload.

· Manage SSL/TLS certificates, ciphers, health checks, high availability, upgrades, backup, and recovery.

· Develop and troubleshoot iRules; experience with F5 DNS/GTM and Advanced WAF/ASM is preferred.

· Resolve latency, session persistence, SSL handshake, health-monitor, and traffic-distribution issues.

Palo Alto Networks

· Administer Palo Alto firewalls and Panorama, including zones, security policies, NAT, objects, App-ID, User-ID, URL filtering, threat profiles, and logging.

· Troubleshoot sessions, routing, policy matching, NAT, IPsec VPN, GlobalProtect, and application connectivity using logs, CLI tools, and packet captures.

· Perform PAN-OS upgrades, rulebase cleanup, recertification, migrations, and security-hardening activities.

Cisco ACI and Nexus

· Design and troubleshoot Cisco ACI fabrics using APIC, tenants, VRFs, bridge domains, application profiles, EPGs, contracts, filters, VMM integration, and L3Out.

· Configure Cisco Nexus 3K/5K/7K/9K platforms using VLANs, trunks, vPC, STP, HSRP, OSPF, BGP, VXLAN, and EVPN.

· Troubleshoot endpoint learning, contracts, routing adjacency, fabric health, interfaces, port channels, and Layer 2/Layer 3 connectivity.

· Support data-center migrations, segmentation, fabric expansion, software upgrades, and hardware refresh programs.

Cisco Meraki

· Design, deploy, and administer Cisco Meraki MX security appliances, MS switches, MR wireless access points, and the Meraki Dashboard.

· Configure Auto VPN, SD-WAN, traffic shaping, content and security policies, VLANs, DHCP, site-to-site VPN, client VPN, and high availability.

· Plan wireless networks using RF fundamentals, channel and power optimization, SSIDs, authentication, guest access, and roaming.

· Monitor organization and network health, analyze event logs and packet captures, manage templates and firmware, and troubleshoot branch, LAN, WAN, and Wi-Fi issues.

· Use Meraki APIs and automation workflows for inventory, configuration validation, monitoring, and large-scale deployment.

Cloud Networking

· Design and support Microsoft Azure and AWS connectivity across cloud and on-premises data centers.

· Azure: VNets, subnets, NSGs, UDRs, Load Balancer, Application Gateway, Azure Firewall, VPN Gateway, ExpressRoute, Private Link, and DNS.

· AWS: VPCs, subnets, route tables, Security Groups, NACLs, Transit Gateway, Elastic Load Balancing, Direct Connect, Route 53, PrivateLink, and Site-to-Site VPN.

· Troubleshoot asymmetric routing, overlapping address space, DNS, MTU, VPN, firewall, load-balancing, and cloud-to-data-center connectivity.

· Implement automation and Infrastructure as Code using Python, Ansible, Terraform, REST APIs, JSON, YAML, and Git.

DDI: DNS, DHCP and IPAM

· Administer enterprise DDI platforms, preferably Infoblox Grid, including DNS zones and records, DHCP scopes, reservations, failover, IPAM, and role-based access.

· Troubleshoot recursive and authoritative DNS, forwarding, delegation, DNSSEC, DHCP allocation, lease, and address-management issues.

· Maintain address plans, naming standards, DNS/DHCP resiliency, automation workflows, reports, upgrades, backups, and disaster-recovery procedures.

Required Qualifications

· Bachelor's degree in Computer Science, Information Technology, Engineering, or equivalent practical experience.

· 8+ years of enterprise network engineering experience, including at least 3 years in a senior or L3 role.

· Advanced knowledge of TCP/IP, IPv4/IPv6, VLANs, STP, vPC, HSRP/VRRP, OSPF, BGP, VPN, QoS, NAT, wireless networking, and packet analysis.

· Hands-on production experience with F5 BIG-IP LTM, Palo Alto firewalls/Panorama, Cisco ACI/APIC, Cisco Nexus, and Cisco Meraki.

· Practical Azure and/or AWS networking experience, including private connectivity to on-premises environments.

· Hands-on DNS, DHCP, and IPAM experience with Infoblox or a comparable enterprise DDI solution.

· Experience with Wireshark, tcpdump, network monitoring, ITIL incident/problem/change processes, and technical documentation.

· Strong communication skills and the ability to coordinate high-severity incidents and complex changes.

Preferred Certifications and Skills

· F5 Certified BIG-IP Administrator or F5 Certified Technology Specialist.

· Palo Alto Networks Certified Network Security Engineer (PCNSE).

· Cisco CCNP Enterprise or CCNP Data Center; CCIE is an advantage.

· Cisco Meraki Solutions Specialist (CMSS), ECMS training, or equivalent Meraki implementation experience.

· Microsoft Certified: Azure Network Engineer Associate or AWS Certified Advanced Networking - Specialty.

· Infoblox accreditation or equivalent enterprise DDI training.

· Experience with SolarWinds, Splunk, LogicMonitor, ThousandEyes, NetBox, ServiceNow, Git, CI/CD, SASE, SD-WAN, and Zero Trust segmentation.

Core Competencies

Technology Area

Expected Proficiency

Key Capabilities

F5 BIG-IP

Advanced

LTM, SSL, HA, iRules; DNS/GTM and WAF preferred

Palo Alto

Advanced

PAN-OS, Panorama, policy, NAT, VPN, threat controls

Cisco ACI

Advanced

APIC, EPGs, contracts, L3Out, fabric troubleshooting

Cisco Nexus

Advanced

vPC, OSPF, BGP, VXLAN/EVPN, data-center switching

Cisco Meraki

Advanced

MX, MS, MR, Dashboard, Auto VPN, SD-WAN, Wi-Fi

Cloud Networking

Intermediate to Advanced

Azure/AWS, ExpressRoute/Direct Connect, VPN, load balancing

DDI

Intermediate to Advanced

Infoblox, DNS, DHCP, IPAM, resiliency

Automation

Preferred

Python, Ansible, Terraform, APIs, Git

Success Measures

· High network availability and timely restoration of critical services.

· Reliable delivery of changes with complete validation and rollback readiness.

· Reduction in repeat incidents through effective RCA and corrective actions.

· Improved security posture, lifecycle compliance, capacity, and operational documentation.

· Measurable automation of repeatable configuration, validation, inventory, and reporting tasks.

Salary and Benefits

· The Salary for this position will be $99,000 and $115, 000 yearly depending on experience and other qualifications of the successful candidate.

· This position is also eligible for Cognizant’s discretionary annual incentive program, based on performance and subject to the terms of Cognizant’s applicable plans.

· Benefits: Cognizant offers the following benefits for this position, subject to applicable eligibility requirements:

· Medical/Dental/Vision/Life Insurance

· Paid holidays plus Paid Time Off

· 401(k) plan and contributions

· Long-term/Short-term Disability

· Paid Parental Leave

· Employee Stock Purchase Plan

· Disclaimer: The compensation, and benefits information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.

Cognizant is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law.

About employer

More about this job

Skills

Troubleshooting
Root cause analysis
DNS
DHCP
VPN
WAN
Implement ICT recovery system
Documentation
Regulatory compliance
Troubleshoot
OSPF
BGP
Firmware
LAN
Microsoft Azure
AWS
Route
Infrastructure as code
Python
Ansible
IBM Terraform
API development
Git
Computer science
Computer technology
VRRP
Wireshark
Tcpdump
ITIL
Communication skills
CCNP
AWS certification
SolarWinds
Splunk
ServiceNow
CI/CD
Reporting

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