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Added 6 mins ago
T
Elasticsearch Engineer *No C2C*
TEKsystems
Lincoln, MA
- $120,000 to $250,000 USD / year
Experience building or fine-tuning ML models outside Elastic, including Python, scikit-learn, and PyTorch, for security use cases such as threat detection or lateral movement scoring
Added 6 mins ago
Senior Product Security Engineer
IBM
LOWELL, MA
The Secure Lifecycle Management (SLM) organization is seeking a Product Security Engineer to partner closely with the engineering teams responsible for HashiCorp Vault, Boundary, and Radar.…
Added 6 mins ago
IG
Software Engineer II
Insight Global
Marlborough, MA
- $70 to $75 USD / hour
Insight Global is seeking a Software Engineer II for a top medical technology client. This candidate will join a growing team supporting the development of an innovative digital diagnostics…
Added 6 mins ago
Staff Engineer - Software Engineering
Capital One
Cambridge, MA
As a Staff Engineer at Capital One, you will be a part of a community of technical experts working to define the future of banking in the cloud.
Added 7 mins ago
Cyber - AI Engineer - Manager - Consulting
EY
Boston, MA
As a Cyber AI Engineer at the Manager level in EY's Cyber practice, you will work as a forward-deployed engineer, helping clients apply frontier AI cyber models to real security challenges.…
Added 7 mins ago
Senior Analyst, Compliance Technology
Coinbase
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We're hiring an Analytics Engineer to join the Compliance Technology team within the Platform organization. This team builds and operates data and detection capabilities that enable…
Added 7 mins ago
Senior Ellucian Technical and Integrations Engineer
State of Massachusetts
Boston, MA
Added 7 mins ago
Senior Network Engineer
Cognizant
Boston, MA
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…
Added 7 mins ago
AI Automation Architect - Manufacturing and MES processes- Remote
Cognizant
Boston, MA
…fundamentally connect people with processes. Within Cognizant IOT, we engineer industry-aligned, IoT-enabled products that merge industry needs with human drivers. Our intelligent products…
Added 7 mins ago
Software Engineer
Teradata
Boston, MA
This position is for a Software Engineer in the POD Services team within the TD Factory team. The position involves development, integration, functional and performance testing, and fault…
Added 7 mins ago
Software Engineer, Infrastructure - Central Growth
Meta
Boston, MA
Software Engineer, Infrastructure - Central Growth Responsibilities:
Added 7 mins ago
Senior Robotics Software Engineer / ROS / Greater Boston
Kelly Services
Boston, MA
A growing robotics company just North of Boston is hiring a Robotics Software Engineer to build out software that powers their robotic systems.
Added 8 mins ago
AI Solutions Engineer
ISACA
Remote, United States
The AI Solutions Engineer is responsible for the development, integration, implementation, and maintenance of large language model (LLM) applications used to support internal business…
Added 29 mins ago
Energetics Lead Engineer Propulsion – Level 4: Active Secret Clearance
Northrop Grumman
Chandler, AZ
The Mechanical Engineering & Energetics team is hiring an Energetics Lead Engineer Propulsion – Level 4: Active Secret Clearance professional at our Chandler, AZ location.
Added 29 mins ago
Sr. Principal Electrical Engineer IV
Northrop Grumman
Chandler, AZ
Northrop Grumman Space Systems is currently seeking a Lead Sr. Principal Electrical Engineer (Strike) in our Chandler AZ facility.
Added 29 mins ago
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Lead Site Reliability Engineer
Jobgether
Remote, United States
- $150,000 to $175,000 USD / year
This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Lead Site Reliability Engineer based in the United States.
Added 29 mins ago
TT
Senior Full Stack Engineer
True Talent Solutions Partners
Boston, MA
- $185,000 to $210,000 USD / year
…conditions. As a senior individual contributor and product-minded engineer, you will shape the product and help establish the engineering…
Added 29 mins ago
IG
Automation Engineer (Terraform)
Insight Global
Tucson, AZ
- $65 to $75 USD / hour
…initiative.We are seeking a hands‑on Cloud Automation & Infrastructure Engineer to join a small, highly technical platform team supporting enterprise‑scale infrastructure for SAP and…
Added 30 mins ago
Senior Test Engineer
Kelly Services
Phoenix, AZ
A growing communications technology organization is seeking a Senior Test Engineer to join its team in the Phoenix-area on a full-time basis. This onsite role focuses on testing and…
Added 34 mins ago
DS
(1119604) Lead Software Engineer - Emerging Technologies
Diversified Services Network, Inc.
Remote, United States
- $140,000 to $145,000 USD / year
Diversified Services Network, Inc. (DSN) is seeking a full-time Lead Software Engineer – Emerging Technologies to join our team in your choice of our Chicago, IL; Peoria, IL; Irving, TX; or…
Added 34 mins ago
DS
(1119604) Lead Software Engineer - Emerging Technologies
Diversified Services Network, Inc.
Remote, United States
- $140,000 to $145,000 USD / year
Diversified Services Network, Inc. (DSN) is seeking a full-time Lead Software Engineer – Emerging Technologies to join our team in your choice of our Chicago, IL; Peoria, IL; Irving, TX; or…
Added 34 mins ago
DS
(1119604) Lead Software Engineer - Emerging Technologies
Diversified Services Network, Inc.
Remote, United States
- $140,000 to $145,000 USD / year
Diversified Services Network, Inc. (DSN) is seeking a full-time Lead Software Engineer – Emerging Technologies to join our team in your choice of our Chicago, IL; Peoria, IL; Irving, TX; or…
Added 34 mins ago
DS
(1119604) Lead Software Engineer - Emerging Technologies
Diversified Services Network, Inc.
Remote, United States
- $140,000 to $145,000 USD / year
Diversified Services Network, Inc. (DSN) is seeking a full-time Lead Software Engineer – Emerging Technologies to join our team in your choice of our Chicago, IL; Peoria, IL; Irving, TX; or…
Added 34 mins ago
DS
(1116127) Energy Electronics Software Engineer
Diversified Services Network, Inc.
Peoria, IL
- $94,000 to $100,000 USD / year
Diversified Services Network, Inc. (DSN) is seeking a full-time Energy Electronics Software Engineer to join our team in Mossville, IL. We offer full benefits, PTO, 401k, and more! If…
Added 35 mins ago
Applications Engineer
Continuum Resource Network
Foster City, CA
We are helping an on-demand, autonomous ride-hailing company find an Applications Engineer to support the configuration, maintenance, and ongoing improvement of Application Lifecycle…

Cognizant

Senior Network Engineer

Boston, MA, 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 .

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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

Original job description

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.

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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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