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Added 1 min ago
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Senior Principal - Red Team Engineer
Jobgether
Remote, United States
- $141,000 to $325,000 USD / year
The Senior Principal – Red Team Engineer will play a leading role in advancing enterprise cybersecurity through sophisticated offensive security research, Red Team operations, and Purple…
Added 1 min ago
J
Embedded Software Engineer – (FMS)
Jobgether
Remote, United States
- $110,000 to $145,000 USD / year
…next steps. Our partner is looking for an Embedded Software Engineer – (FMS) based in the United…
Added 1 min ago
CN
SUPERVISOR
Commander, Naval Information Warfare Systems Command (NAVWARSYSCOM)
Point Loma Complex, San Diego, CA
- $102,246 to $197,200 USD / year
1. Professional registration or licensure -- Current registration as an Engineer Intern (EI), Engineer in Training (EIT)1 , or licensure as a Professional Engineer (PE) by any State, the…
Added 4 mins ago
NS
ENGINEER
Naval Sea Systems Command
Naval Business Center, Philadelphia, PA · Naval Base, Norfolk, VA
- $127,646 to $197,200 USD / year
Added 9 mins ago
OA
General Engineer
Other Agencies and Independent Organizations
Albany, OR · Pittsburgh, PA · Morgantown, WV
- $106,437 to $149,091 USD / year
…Energy on behalf of the Office of Electricity. As a General Engineer, you will oversee technically complex DOE scientific and engineering projects or initiatives. This may include but is…
Added 9 mins ago
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Physical Scientist
Other Agencies and Independent Organizations
Pittsburgh, PA · Albany, OR · Morgantown, WV
- $106,437 to $149,091 USD / year
…Energy on behalf of the Office of Electricity. As a General Engineer, you will oversee technically complex DOE scientific and engineering projects or initiatives. This may include but is…
Added 11 mins ago
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GENERAL ENGINEER
National Air and Space Intelligence Center
Wright-Patterson AFB, OH
- $132,751 to $172,578 USD / year
…following link to view occupational requirements for the Mechanical Engineer…
Added 14 mins ago
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SUPERVISORY GENERAL ENGINEER
Naval Air Systems Command
Arlington, VA
- $143,913 to $197,200 USD / year
Added 14 mins ago
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General Engineer
Other Agencies and Independent Organizations
Washington, DC
- $169,279 to $197,200 USD / year
…Minerals and Energy Innovation, Department of Energy. As a General Engineer, you will serve as a subject matter expert in critical materials for the development and implementation of…
Added 21 mins ago
JH
Robotics and Autonomous Systems Engineer
Johns Hopkins Applied Physics Laboratory
Laurel, MD
- $100,000 USD / year
The Cyber-Physical Systems Development Group is seeking a Robotics and Autonomous Systems Engineer to develop advanced capabilities that give U.S. operators an asymmetric advantage as…
Added 35 mins ago
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Tooling Evolution Lead Engineer
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MA · CT · NY
- $162,900 to $271,500 USD / year
…the supported core estate, and what gets retired once usage data says it is no longer earning its…
Added 40 mins ago
Technical Lead, Google Cloud Storage
Google
Seattle, WA
…distributed 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…
Added 45 mins ago
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MANAGER
Naval Sea Systems Command
Dahlgren, VA
- $143,913 to $197,200 USD / year
This is an interdisciplinary position and may be filled by a General Engineer (0801-series), an Electrical Engineer (0850-series), an Operations Research Analyst (1515-series), a…
Added 45 mins ago
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GENERAL ENGINEER
Pacific Air Forces
Elmendorf AFB, AK
- $101,206 to $131,571 USD / year
The primary purpose of this position is: To serve as a professional general engineer, performing design, project programming, construction management/monitoring duties and improvement…
Added 45 mins ago
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SUPERVISORY GENERAL ENGINEER
Headquarters, Air Force Reserve Command
Youngstown, OH
- $89,508 to $116,362 USD / year
The primary purpose of this position is to serve as a senior general engineer in the direction and supervision of the Civil Engineering Flight.
Added 48 mins ago
Senior Electrical Engineer
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Richland, WA
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Nuclear Safety Engineer
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Richland, WA
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Technical Training Specialist
ProSidian Consulting, LLC
Richland, WA
The Nuclear Safety Engineer is an Engineering specialist/senior consultant who exhibits the required nuclear safety competency; this is a separate position not mandated. and can align with…
Added 48 mins ago
Quality Assurance Engineer
ProSidian Consulting, LLC
Richland, WA
The Quality Assurance Engineer is a Quality / Engineering specialist that exhibits Weekly meetings, assignments and status required; separate manager not mandated. . and can align with…
Added 48 mins ago
Senior Construction Cost Estimator
ProSidian Consulting, LLC
Brookhaven, NY
…Estimate (A-E Cost Estimation Services) is a specialized Architect-Engineer (A-E) consulting service that develops an independent, detailed construction cost estimate to verify the…
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Construction Project Manager
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…Estimate (A-E Cost Estimation Services) is a specialized Architect-Engineer (A-E) consulting service that develops an independent, detailed construction cost estimate to verify the…
Added 48 mins ago
Civil/Structural Cost Estimator
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Brookhaven, NY
…Services] [P1BSA011] is aligned with GSA Labor Category: Civil Engineer. This role shall be principally focused on 541330 - Engineering Services Program Support for Electron-Ion Collider…
Added 48 mins ago
Mechanical Cost Estimator
ProSidian Consulting, LLC
Brookhaven, NY
…Services] [P1BSA012] aligns with GSA Labor Category: Mechanical Engineer. This role shall be principally focused on 541330 - Engineering Services Program Support for Electron-Ion Collider…
Added 48 mins ago
Electrical Cost Estimator
ProSidian Consulting, LLC
Brookhaven, NY
…Services] [P1BSA013] aligns with GSA Labor Category: Electrical Engineer. This role shall be principally focused on 541330 - Engineering Services Program Support for Electron-Ion Collider…
Added 50 mins ago
Software Engineer AFRL
Whitespace
Remote, United States
…project. Worldline generates synthetic, large-scale, geo-tagged data to simulate human activity, curated by experts to ensure realism while maintaining ethical standards. This…

Closed listing

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 .

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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