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Added 2 mins ago
BA
Site Reliability Engineer
Booz Allen Hamilton
Aurora, CO
- $62,000 to $141,000 USD / year
on our team, you'll help the Intelligence Community develop more robust systems by building a resilient infrastructure. You'll build in redundancy, implement monitoring tools, and automate…
Added 6 mins ago
Principal Systems Engineer
2HB Incorporated
Annapolis Junction, MD
2HB Incorporated is seeking a Principal Systems Engineer in order to support its government customer in Annapolis Junction, MD.
Added 6 mins ago
Test Engineer
2HB Incorporated
Annapolis Junction, MD
2HB Incorporated is seeking a Test Engineer to support its government customer in Annapolis Junction, MD. The Test Engineer shall be responsible for planning, developing, executing, and…
Added 14 mins ago
LN
Senior Project Manager
Luster National
Sacramento, CA
- $140,000 to $200,000 USD / year
We’re seeking Senior Project Managers to support large, complex heavy civil infrastructure programs, including highways, roads, bridges and transit (bus and rail), delivered through both…
Added 14 mins ago
LN
Senior Project Engineer
Luster National
Sacramento, CA
- $120,000 to $200,000 USD / year
We’re seeking Senior Project Engineers to support large, complex heavy civil infrastructure programs, including highways, roads, bridges, and transit (bus and rail), delivered through both…
Added 14 mins ago
LN
Railroad/Roadway bridge and Guideway Inspector
Luster National
Fresno, CA
- $120,000 to $200,000 USD / year
We’re seeking an experienced Railroad/Roadway Bridge and Guideway Engineer to support large, heavy-civil infrastructure programs, including highways, roads, bridges, transit (both rail and…
Added 33 mins ago
Software Engineer, Runtime Infrastructure
Nominal
NY
…theirs, and on disconnected networks for defense programs. An engineer might be watching a vehicle in real time or working through terabytes of post-test data. Either way, every layer…
Added 54 mins ago
Software Automation & Platform Engineer - Federal Health IT
Rackner
Remote, United States
Engineer and optimize GitLab CI/CD pipelines and infrastructure-as-code solutions, incorporating automated testing, quality checks, and security practices to strengthen software delivery.
Added 1 hour ago
Staff Software Engineer, Applied AI
SuperDial
Burlingame, CA
SuperDial is seeking a Staff Software Engineer, Applied AI to build and scale the backend systems that power LLM applications in healthcare. This role is ideal for an engineer who thrives…
Added 1 hour ago
Environmental Engineer
Veterans Affairs, National Cemetery Administration
Washington, DC
Added 1 hour ago
ES
Office 365 Engineer
Element Solutions Inc
Apex, NC
- $50,000 to $65,000 USD / year
Reporting to the Global Director Engineer this role is responsible for delivering, managing and enhancing the company’s cloud messaging capabilities via the Microsoft Office 365 platform.…
Added 1 hour ago
SME Network Engineer
CACI International
Ashburn, VA
CACI is seeking a SME Network Engineer for the Global Mission Operations Support (GMOS) contract, supporting the Department of State. This role offers a unique opportunity to enhance…
Added 1 hour ago
Senior Network Engineer (Firewall)
CACI International
Ashburn, VA
CACI is seeking a Senior Network Engineer (Firewall) for the Global Mission Operations Support (GMOS) contract, supporting the Department of State. This role offers a unique opportunity to…
Added 1 hour ago
BC
Lead Control Systems Engineer
Bechtel Corporation
Reston, VA
- $105,000 to $178,500 USD / year
…objectives to create a lasting positive impact. We serve the Infrastructure; Nuclear, Security & Environmental; Energy; Mining & Metals, and the Manufacturing and Technology markets. Our…
Added 1 hour ago
Director, Federal Sales: Air Force and Space Force (Government)
AT&T
Chantilly, VA
· Build a partner strategy across systems integrators, OEMs, cloud and security providers, small businesses, and contract vehicle holders to improve access, differentiation, and win…
Added 1 hour ago
Director, Federal Sales: Navy and Marine Corps (Government)
AT&T
Chantilly, VA
· Build a partner strategy across systems integrators, OEMs, cloud and security providers, small businesses, and contract vehicle holders to improve access, differentiation, and win…
Added 1 hour ago
Systems Engineer, Senior
BOOZ, ALLEN & HAMILTON, INC.
Herndon, VA
As a leader in systems engineering, we are looking for you to solve complex problems and shape national security space systems by leading agile systems engineering and integration efforts.…
Added 1 hour ago
Cloud Solutions Engineer
Office of the Director of National Intelligence
McLean, VA
…Chief Technology Officer. Design, build, and maintain cloud infrastructure for IC OIG systems, including case management software and mission-critical applications hosted in cloud…
Added 1 hour ago
Agentic Operations Site Reliability Engineer
BOOZ, ALLEN & HAMILTON, INC.
McLean, VA
Imagine running the cloud environments where agentic AI goes to work for the mission. As a site reliability engineer, you know that availability, observability, and automation turn a…
Added 2 hours ago
Agile DevOps Coach
ClearlyAgile
Remote, United States
…the execution of identified improvements, and be a hands-on engineer as…
Added 2 hours ago
DevOps Engineer
ClearlyAgile
Remote, United States
We are hiring an experienced DevOps Engineer to help us support existing and new customers. If you're dedicated, ambitious and have a passion for working with the latest leading edge Cloud…
Added 3 hours ago
Engineer, Enterprise AI
NAVITUS HEALTH SOLUTIONS LLC
MIDDLETON, WI
Added 3 hours ago
MP
Senior Project Engineer Electrical
MSA PROFESSIONAL SERVICES INC
BARABOO, WI
- $142,195 USD / year
Added 3 hours ago
Site Reliability Engineer
CLA HUDSON
HUDSON, WI
Added 3 hours ago
Infrastructure Engineer II
EMERGENT HOLDINGS, INC.
NEW BERLIN, WI

Closed listing

Cognizant

Senior Network Engineer

Indianapolis, IN, 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.

Find open jobs More jobs with this employer

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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