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Senior Network Engineer Security Clearance

Job in Springfield, Fairfax County, Virginia, 22159, USA
Listing for: D2 Technical Services
Full Time position
Listed on 2026-08-26
Job specializations:
  • IT/Tech
    Cybersecurity, Network Engineer, Systems Engineer, Network Security
Job Description & How to Apply Below
Position: Senior Network Engineer with Security Clearance
New Senior Network Engineer Springfield, VA Apply
** ACTIVE TS/SCI SECURITY CLEARANCE REQUIRED
** Team D2 has an exciting and challenging opportunity available for a Network Engineer supporting an Intelligence Community customer’s wide-area (WAN), local-area (LAN) and campus-area (CAN) networks across multiple security domains. Responsibilities:
Focus will be on Network Engineering, new project requirements, and operation and sustainment of existing infrastructure. This position does require travel to local sites up to 15% and may require travel to further CONUS/OCONUS locations on a voluntary basis.
* Coordination of system maintenance, monitoring and installation of multiple WAN/LAN environments encompassing multiple specializations, platforms and technologies.
* Assist with research and implementation of enterprise system-wide network solutions/capabilities/enhancements to support customer business/mission goals and objectives.
* Troubleshoot and resolve network media and components.
* Evaluate and monitor health and performance of the network including hardware and management software.
* Develop and maintain a road map for capabilities, operations, and technologies.
* Assist with development and execution of test plans and supporting documentation of all network configuration upgrades, additions or revisions for customer approval before implementation.
* Support network traffic analysis and bandwidth optimization efforts to ensure attainment of performance and availability objectives.
* Evaluate and report on new/emerging network/communication technologies to enhance capacity, performance and reliability of the network.
* Evaluate and recommend changes and/or technology upgrades to address performance, standardization and industry best practices
* Follows all Customer network security processes and procedures, ensures compliance with all Government policies.
* Represent customer requirements in technical exchanges with other government agencies.
* Perform site surveys to new installations and technology refresh.
* Installs, maintains and troubleshoots satellite communications equipment.
* Develop and maintain network architecture diagrams.

Qualifications:

Required:

* Security Clearance: active TS/SCI
* 8+ years related technical experience in Network and Transport technologies, tools, and techniques
* 4+ years’ experience with large-scale enterprise/global networks in a high paced diverse environment
* Understanding and experience with the DoD Architecture Framework and other key DoD network architecture and strategic planning instructions
* Experience with Juniper, switches, routers, and firewalls. (MX, EX, QFX, SRX devices) Cryptographic devices (KG-175G/F/X, KG-142)
* Experience with Network analysis tools (Network monitoring, AAA solutions, security analysis tools, etc…)
* Experience with supporting IP services to connect to NIPRNET, SIPRNET, JWICS, and other external environments
* Experience with switching/LAN/L2 technologies, OSPF, BGP, MPLS, RSVP/LDP L2/3

VPNs, VRFs, IKE/IPSec, GRE tunnels, MTU/MSS, Import/Export policies, IPv4, IKE/IPSec, Multicast, COS/QOS, SNMP, SYSLOG, AAA, etc…
* Experience with planning hardware for a new site installation or recap effort of existing equipment, planning projects, drafting network diagrams, drafting engineering configurations
* Experience with troubleshooting network environments and providing regular updates

* Certifications:

IAT II Desired:
* JNCIA, JNCIS, JNCIP, CISCO CCNP, CCVP, CCNA or CCDP (or equivalent)
* ITIL v3 Foundations
* ISC2 CISSP
* Experience with integrating multi-vendor cloud environments
* Experience with network automation via Python/PYEZ or Ansible
* Experience with Open-Text Network Automation, Network Node Manager, Science Logic SL1, Forward Networks, Cisco ISE, Aruba Clearpass, Juniper Route Director, Juniper Security Appliance, Riverbed, Infoblox & Net Terrain Additional Information
* All your information will be kept confidential according to EEO guidelines.
* Compensation is unique to each candidate and relative to the skills and experience they bring to the position. The salary range for this position is typically…
Position Requirements
10+ Years work experience
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