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Added 2 mins ago
GA
Director, Architecture and Data
GE Aerospace
Norwalk, CT
- $152,000 to $202,000 USD / year
…Manager and the Principal Architects for Enterprise, Data, Infrastructure, and…
Added 2 mins ago
SOLUTION ENGINEER
Lumen
Hartford, CT
At Lumen, you’ll work on infrastructure customers rely on today and build for what’s next, where performance, security, and resilience matter.
Added 2 mins ago
Senior Network Engineer
Cognizant
Hartford, CT
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…
Added 2 mins ago
Senior Workday Security Engineer
CVS Health
Hartford, CT
CVS Health is seeking an experienced Senior Workday Security Engineer to join the HR Technology Workday Security team. This role designs, supports, governs, and optimizes security across…
Added 22 mins ago
Cyber Cloud Solution Engineer Lead/Staff
AEP Service Corporation
Remote, United States
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Added 27 mins ago
Network Development Engineer I, Datacentre Fabrics - Product Engineering
Amazon Data Services, Inc.
Arlington, VA · Seattle, WA
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Added 30 mins ago
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Critical Environment Electrical Engineer
Microsoft
AZ · Phoenix, AZ · Goodyear, AZ · Phoenix · Goodyear
- $102,100 to $202,200 USD / year
…services. As a CO+I Data Center Critical Environment Electrical Engineer, you will perform a key role in delivering the core infrastructure and foundational technologies for Microsoft's…
Added 31 mins ago
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Senior Physical Design Verification Engineer
Microsoft
OR · CA · TX · NC · Hillsboro, OR · Mountain View, CA · Austin, TX · Raleigh, NC · Hillsboro · Mountain View · Austin · Raleigh
- $119,800 to $261,000 USD / year
Microsoft Silicon, Cloud Hardware, and Infrastructure Engineering (SCHIE) is the team behind Microsoft’s expanding Cloud Infrastructure and responsible for powering Microsoft’s “Intelligent…
Added 31 mins ago
M
Cloud Network Engineer II
Microsoft
United States
- $102,100 to $219,200 USD / year
As a Cloud Network Engineer II on the HPC & AI Infrastructure team, you’ll work at the intersection of AI supercomputing and large-scale networking, shaping how advanced AI models are…
Added 31 mins ago
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Senior Silicon Design Verification Engineer
Microsoft
CA · TX · OR · WA · NC · Mountain View, CA · Austin, TX · Hillsboro, OR · Redmond, WA · Raleigh, NC · Mountain View · Austin · Hillsboro · Redmond · Raleigh
- $119,800 to $261,000 USD / year
Microsoft Silicon, Cloud Hardware, and Infrastructure Engineering (SCHIE) is the team behind Microsoft’s expanding Cloud Infrastructure and responsible for powering Microsoft’s “Intelligent…
Added 31 mins ago
M
Critical Environment Technician Manager
Microsoft
GA · East Point, GA · East Point
- $75,400 to $185,300 USD / year
…Manager, you will perform a key role in delivering the core infrastructure and foundational technologies for Microsoft's online services including Bing, Office 365, Xbox, OneDrive, and the…
Added 31 mins ago
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Software Engineer
Microsoft
WA · Redmond, WA · Redmond
- $85,400 to $183,700 USD / year
Are you a software engineer who loves code, moves fast, and enjoys solving problems at scale? Are you excited about AI and want to build the platform that makes AI reliable, resilient, and…
Added 31 mins ago
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Logic Design Engineer
Microsoft
United States
- $102,100 to $219,200 USD / year
Microsoft Silicon, Cloud Hardware, and Infrastructure Engineering (SCHIE) is the team behind Microsoft’s expanding Cloud Infrastructure and responsible for powering Microsoft’s “Intelligent…
Added 31 mins ago
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Principal Product Engineer
Microsoft
CA · OR · NC · TX · Mountain View, CA · Hillsboro, OR · Raleigh, NC · Austin, TX · Mountain View · Hillsboro · Raleigh · Austin
- $142,800 to $304,200 USD / year
Microsoft Silicon, Cloud Hardware, and Infrastructure Engineering (SCHIE) is the team behind Microsoft’s expanding Cloud Infrastructure and responsible for powering Microsoft’s “Intelligent…
Added 31 mins ago
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Software CAD DevOps Engineer
Microsoft
OR · CA · NC · Hillsboro, OR · Mountain View, CA · Raleigh, NC · Hillsboro · Mountain View · Raleigh
- $102,100 to $219,200 USD / year
Microsoft Silicon, Cloud Hardware, and Infrastructure Engineering (SCHIE) is the team behind Microsoft’s expanding Cloud Infrastructure and responsible for powering Microsoft’s “Intelligent…
Added 31 mins ago
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Cloud Principal Hardware Engineer
Microsoft
CA · WA · Aliso Viejo, CA · Mountain View, CA · Redmond, WA · Aliso Viejo · Mountain View · Redmond
- $142,800 to $304,200 USD / year
Microsoft Silicon, Cloud Hardware, and Infrastructure Engineering (SCHIE) is the team behind Microsoft’s expanding Cloud Infrastructure and responsible for powering Microsoft’s “Intelligent…
Added 32 mins ago
M
Senior Design Verification Engineer
Microsoft
NC · TX · WA · Raleigh, NC · Austin, TX · Redmond, WA · Raleigh · Austin · Redmond
- $119,800 to $261,000 USD / year
Microsoft Silicon, Cloud Hardware, and Infrastructure Engineering (SCHIE) is the team behind Microsoft’s expanding Cloud Infrastructure and responsible for powering Microsoft’s “Intelligent…
Added 32 mins ago
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Senior Performance Modeling Engineer
Microsoft
CA · WA · Mountain View, CA · Redmond, WA · Mountain View · Redmond
- $119,800 to $261,000 USD / year
Do you want to help shape the future of AI infrastructure and influence the hardware-software co-design decisions that power Microsoft's next generation AI platforms?
Added 32 mins ago
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Senior Mechanical Engineer, AI Systems
Microsoft
CA · Mountain View, CA · Mountain View
- $119,800 to $261,000 USD / year
Microsoft Silicon, Cloud Hardware, and Infrastructure Engineering (SCHIE) is the team behind Microsoft’s expanding Cloud Infrastructure and responsible for powering Microsoft’s “Intelligent…
Added 35 mins ago
Senior Staff Software Engineer, Agentic AI for XR
Google
San Jose, CA · San Francisco, CA
…computing, large-scale system design, networking and data storage, security, artificial intelligence, natural language processing, UI design and mobile; the list goes on and is growing…
Added 38 mins ago
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Principal CAD Software Engineer
Microsoft
CA · NC · OR · Mountain View, CA · Raleigh, NC · Hillsboro, OR
- $142,800 to $304,200 USD / year
Microsoft Silicon, Cloud Hardware, and Infrastructure Engineering (SCHIE) is the team behind Microsoft’s expanding Cloud Infrastructure and responsible for powering Microsoft’s “Intelligent…
Added 39 mins ago
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UnitedHealth Group
Eden Prairie, MN
- $72,800 to $130,000 USD / year
Must be able to obtain and maintain a suitability or determination of eligibility for a Confidential/Secret or Top Secret security clearance
Added 51 mins ago
Industrial Facility Security Officer (FSO)
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San Luis Obispo, CA
ESAero, an AV Inc. Company, is seeking an Industrial Facility Security Officer (FSO) to work in a dynamic high-tempo environment delivering Mission First results! This position will manage,…
Added 52 mins ago
Senior DevOps Engineer
Abbott
Pleasanton, CA
Provision, configure, and manage Azure cloud infrastructure , ensuring scalability, security, and high availability.
Added 52 mins ago
Engineer V
General Atomics
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We have an exciting opportunity for an experienced Network Engineer Analyst to join our Network & Product Engineering Team in Poway, California.

Closed listing

Cognizant

Senior Network Engineer

Nashville, TN, United States

Remote

The salary range for this role is between $99,000 and $116,000 depending on the skills and qualifications of the candidate .

This opening has closed.

The original listing is kept below for reference.

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About employer

Job details

Pay: The salary range for this role is between $99,000 and $116,000 depending on the skills and qualifications of the candidate .
Workplace: Remote
Experience: · 8+ years of enterprise network engineering experience, including at least 3 years in a senior or L3 role.
Posting language: English
Posted: Nov 5, 2026

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Original job description

Archived listing. The details below describe a past opening.

Cognizant is seeking a Senior Network Engineer to design, implement, secure, operate, and optimize enterprise datacenter, campus, branch, wireless, and hybrid-cloud networks. This 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.

This is a remote role. The salary range for this role is between $99,000 and $116,000 depending on the skills and qualifications of the candidate . Applications will be accepted till 11/11/2026.

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

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