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Sr Network Engineer
Job in
Irving, Dallas County, Texas, 75084, USA
Listed on 2025-12-31
Listing for:
Randstad Digital
Full Time
position Listed on 2025-12-31
Job specializations:
-
Engineering
Systems Engineer, Cybersecurity -
IT/Tech
Systems Engineer, Cybersecurity
Job Description & How to Apply Below
job summary:
Build, design, and operate Enterprise class IP networks supporting mission critical LMR, data, and security systems. Execute engineering tasks involving routing, switching, multicast, security, automation, and performance analysis at a professional level equivalent to Cisco CCIE Enterprise and aligned with Nokia NRS II and Cisco CCNP SP learning objectives.
location:
Telecommute
job type:
Permanent
salary: $130,000 – 140,000 per year
work hours: 8am to 5pm
education:
Bachelors
- Configure Cisco/Juniper/Nokia/HPE routers, switches, and firewalls using dynamic routing and multicast routing for radio access networks.
- Configure routers using LACP/Ether Channel, CDP, LLDP, BFD, UDLD, RIP, EIGRP, OSPF, IS ? IS, BGP, LFA, IGMP, PIM, IP SLA, QoS, IPSec, AAA, DHCP, DNS, NTP, SSH, SNMPv3, SSL/TLS, FHRP (HSRP/VRRP/GLBP), and Syslog.
- Configure switches using LACP/Ether Channel, STP, VLANs, IGMP, AAA, NTP, SSH, SNMPv3, SSL/TLS, and Syslog.
- Configure firewalls including RA VPN, Site ? to ? Site VPN, rulesets, AAA, NAT/PAT, NTP, SSH, SNMPv3, SSL/TLS, and Syslog.
- Calculate bandwidth requirements and tuning parameters for routing protocol convergence.
- Update Visio diagrams and topology documentation.
- Test concepts and performance in the network lab.
- Research Enterprise ? class networking solutions and evaluate new products.
- Troubleshoot LACP/Ether Channel, FIB/RIB/MFIB/MRIB, VLANs, CDP/LLDP, STP, BFD, UDLD, routing protocols, multicast, IPSec, QoS, and network services. Determine root cause and produce RCA documentation.
- Perform configuration backups on routers, switches, and firewalls.
- Install, configure, and troubleshoot network monitoring systems.
- Perform packet captures, build filters, and analyze results using Wireshark.
- Collect logs and statistics from routers, switches, firewalls, and ATLAS devices.
- Collect table data for interface statistics, FIB, RIB, MFIB, MRIB, VLAN, CDP, LLDP, STP, BFD, RIP, EIGRP, OSPF, IS ? IS, BGP, PIM, IP SLA, and QoS.
- Update IPAM records.
- Configure SPAN/port mirroring and capture configurations.
- Investigate physical ? layer issues, determine root cause, and produce RCA documentation.
- Trace L2/L3 paths between endpoints and create Visio diagrams.
- Develop, coordinate, and perform configuration changes to network hardware and systems.
- Identify improvement areas and implement enhancements for capacity, scalability, reliability, security, and quality.
- Maintain accurate network documentation, standards, and change management records.
- Generate network performance and capacity reports for management.
- Plan and execute network upgrades, migrations, and expansions.
- Provide daily operational support for network infrastructure and system health monitoring.
- Develop and test prototypes and demonstrate functionality based on requirements.
- Participate in system design planning, peer reviews, approvals, and LMR infrastructure implementation.
- Provide engineering support to resolve design ? related field and production issues.
- Maintain strong communication and collaboration across departments.
- Exhibit professional behavior including leadership, urgency, independent judgment, teamwork, integrity, and creativity.
- Document work, test plans, and results.
- Stay current with industry trends, emerging technologies, and best practices.
- Travel as needed to investigate and resolve product and network issues.
- Comply with all company policies and procedures.
- Cisco Certified Network Professional (CCNP) Enterprise required.
- Cisco Certified Internetworking Expert (CCIE) Enterprise and/or Cisco Certified Internetworking Expert (CCIE) Service provider preferred.
- Bachelor’s Degree or equivalent experience in Engineering, Computer Science, Engineering Technology, or a closely related discipline. Master’s Degree a plus.
- Knowledge of Engineering methodologies and product development.
- Experience performing engineering projects in an industrial or educational setting.
- Ability to acquire skills rapidly in new sophisticated tools, techniques, methods, and technologies.
- Software Languages and Tools (expertise in some of these areas):
Perl, HTML/CSS, JavaScript (including some Prototype/JQuery), SQL, C, Python,…
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