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Added 4 mins ago
AS
Senior Systems Engineer
Andromeda Systems Incorporated
Jacksonville, FL
- $48 to $87 USD / hour
ASI is seeking a Senior Systems Engineer to support DoD aviation programs through reliability analysis, lifecycle sustainment, and readiness assessments. This highly motivated individual…
Added 6 mins ago
Mojo Libraries Engineer (Copy)
Modular
Remote, United States
We are looking for a motivated engineer to join the Hardware Enablement team at Modular. In this role you will work across the Modular software stack, from Mojo kernels and the graph…
Added 18 mins ago
CC
Senior Engineering Manager (Solar, BESS & Grid Integration)
Consigli Construction
Remote, United States
- $152,000 to $211,000 USD / year
Lead integration of Battery Energy Storage Systems (BESS), including battery enclosures, Power Conversion Systems (PCS), medium-voltage (MV) skids, Battery Management Systems (BMS), Energy…
Added 18 mins ago
CC
Senior Engineering Manager (Solar, BESS & Grid Integration)
Consigli Construction
Remote, United States
- $152,000 to $211,000 USD / year
Lead integration of Battery Energy Storage Systems (BESS), including battery enclosures, Power Conversion Systems (PCS), medium-voltage (MV) skids, Battery Management Systems (BMS), Energy…
Added 18 mins ago
CC
Senior Engineering Manager (Solar, BESS & Grid Integration)
Consigli Construction
Remote, United States
- $152,000 to $211,000 USD / year
Lead integration of Battery Energy Storage Systems (BESS), including battery enclosures, Power Conversion Systems (PCS), medium-voltage (MV) skids, Battery Management Systems (BMS), Energy…
Added 18 mins ago
CC
Senior Engineering Manager (Solar, BESS & Grid Integration)
Consigli Construction
Remote, United States
- $152,000 to $211,000 USD / year
Lead integration of Battery Energy Storage Systems (BESS), including battery enclosures, Power Conversion Systems (PCS), medium-voltage (MV) skids, Battery Management Systems (BMS), Energy…
Added 32 mins ago
BA
Systems Test Engineer
Booz Allen Hamilton
Aurora, CO
- $86,800 to $198,000 USD / year
As a Systems Test Engineer you will lead a test team that will work with Booz Allen colleagues and the U.S. Space Force to
Added 32 mins ago
BA
Automation Test Engineer
Booz Allen Hamilton
Aurora, CO
- $69,400 to $158,000 USD / year
Experience with functional testing, integration testing, regression testing, and performance testing
Added 36 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 36 mins ago
Principal Systems Engineer
2HB Incorporated
Annapolis Junction, MD
2HB Incorporated is seeking a Principal Systems Engineer to support its government customer in Annapolis Junction, MD. The Principal Systems Engineer will serve as a senior technical leader…
Added 36 mins ago
Software Integration Engineer
2HB Incorporated
Annapolis Junction, MD
2HB Incorporated is seeking a Software Integration Engineer to support its government customer in Annapolis Junction, MD. The Software Integration Engineer shall be responsible for working…
Added 44 mins ago
LN
Senior Project Manager
Luster National
Sacramento, CA
- $140,000 to $200,000 USD / year
…Acceptance Testing (FAT), Site Acceptance Testing (SAT), System Integration Testing (SIT), and dynamic testing across systems…
Added 44 mins ago
LN
Senior Project Engineer
Luster National
Sacramento, CA
- $120,000 to $200,000 USD / year
…Acceptance Testing (FAT), Site Acceptance Testing (SAT), System Integration Testing (SIT), and dynamic…
Added 55 mins ago
Staff Software Engineer
Conga
Boston, MA · Houston, TX
The Staff Software Engineer is a hands-on backend role focused on building the Java services that power real-time pricing across Conga's platform. This position is responsible for designing…
Added 1 hour ago
Principal Site Reliability Engineer (Vehicle Engineering)
SpaceX
Bastrop, TX
…satellites. This role exists to put a real Site Reliability Engineer operating model on these capabilities and accelerating the world class engineering at SpaceX: toil reduction,…
Added 1 hour ago
Software Automation & Platform Engineer - Federal Health IT
Rackner
Remote, United States
Software Automation & Platform Engineer - Federal Health IT
Added 1 hour ago
Machine Learning System Software Engineer
Apple
Sunnyvale, CA
…you to join our team! As a Machine Learning System Software Engineer on the Apple Neural Engine (ANE) team, you'll work to bring high-performance, low-power AI solutions to life on iconic…
Added 2 hours 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 2 hours ago
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Jr Data Engineer
Insight Global
Charlotte, NC
- From $56 USD / hour
Insight Global is seeking a Data Engineer for a top financial services client. This individual contributor will help build scalable AI-enabled services that connect enterprise data with…
Added 2 hours ago
Test Coordinator
CACI International
Fort Belvoir, VA
As a test engineer supporting Product Manager Soldier Tactical Reconnaissance, Intelligence and Kinetic Effects (STRIKE) within the Portfolio Acquisition Executive Layered Protection you…
Added 2 hours 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 2 hours ago
Data Systems Analyst & Infrastructure Modernization Specialist
CACI International
Alexandria, VA
Engineer, maintain, and enhance Power BI dashboards to visualize technical debt scores, decommissioning progress, and infrastructure performance metrics across TDM, TDI, and DROP.
Added 2 hours ago
Web Developer
CACI International
Chantilly, VA
AWS certification, such as AWS Certified Developer – Associate or AWS Certified DevOps Engineer – Professional.
Added 2 hours ago
Junior C# Software Engineer
CACI International
Virginia Beach, VA
CACI is looking for a C# software engineer to design, develop, and maintain software tools that keep aircraft safe and operational. Your work will directly impact the Navy’s F/A-18 fleet…
Added 2 hours ago
ENGINEER TEST OPERATIONS 1
HII
Newport News, VA
…together at the forefront of technology, manufacturing, and integration of the most powerful and survivable naval ships in the world. Want to be part of the team? Apply today! We look…

Closed listing

Cognizant

Senior Network Engineer

Jefferson City, MO, 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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