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Network Engineer III

Job in Springfield, Fairfax County, Virginia, 22161, USA
Listing for: Rolston Information Systems Assurance, LLC
Full Time position
Listed on 2026-02-28
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Engineer, Network Engineer
Salary/Wage Range or Industry Benchmark: 60000 - 80000 USD Yearly USD 60000.00 80000.00 YEAR
Job Description & How to Apply Below

Overview

Job Category
:
Information Technology

Time Type
:
Full-time

Minimum Clearance Required to Start
:
Top Secret/SCI

Employee Type
:
Regular

Percentage of Travel Required
:
None

Type of Travel
: 25%

Position Overview

RISA 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
  • 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 the health and performance of the network, including hardware and management software.
  • Develop and maintain a road map for capabilities, operations, and technologies.
  • Assist with the 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 the 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, ensuring compliance with all Government policies.
  • Represent customer requirements in technical exchanges with other government agencies.
  • Perform site surveys for new installations and technology refresh.
  • Installs, maintains, and troubleshoots satellite communications equipment.
  • Develop and maintain network architecture diagrams.
Qualifications
  • 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, SRX devices) Cryptographic devices (KG-175G/X, KG-245A/X)
  • Experience with Network analysis tools (HP/Microfocus Network Automation and Network Node Manager, Juniper Secure Analytics, Infoblox, Riverbed.)
  • Experience with Juniper firewall/VPN equipment (SRX series)
  • Experience with supporting IP services to connect to NIPRNET, SIPRNET and JWICS (IPv4, VPN, IPv6, Multicast, QOS, SDN, SNMP, VOIP, VTC, etc)
  • Experience with OSPF, BGP, MPLS, RSVP/LDP L2/3

    VPNs, VRFs, IKE/IPSec, GRE tunnels, MTU, FTP, Import/Export policies.
  • Certifications:

    IAT II
Desired Qualifications
  • Master s degree in Computer Science or related field
  • JNCIA, JNCIS, JNCIP, CISCO CCNP, CCVP, CCNA or CCDP (or equivalent)
  • ITIL v3 Foundations
  • ISC2 CISSP
  • CompTIA Security +
Work Environment

Professional Office Environment:
Must be able to sit at a desktop or laptop computer for extended periods of time.

Physical Demands
  • While performing the duties of this job, the employee is regularly required to sit, stand, talk, hear, and use hands and fingers to operate a computer and telephone.
  • Must be able to communicate regularly via telephone and verbally present information to employees, customers, and outside vendors.
Expected Hours Of Work
  • 40 hours per week based on the customer s core operating hours.
About RISA

In this time of rapid change, as technologies expand at lightning speed, RISA seeks to remain at the forefront - applying them in unique ways to address our customers  challenges and providing our employees with engaging career opportunities. We seek professionals excited by a challenge and focused on assisting our customers to reach their goals. At RISA, our success comes from the talent and commitment of our employees.

As a team, we share the challenges and rewards of providing valuable services to our customers. Come along for the journey and be part of our growth and success.

Benefits

RISA offers a comprehensive benefits package that includes medical, dental, and vision insurance; retirement savings plans: 401(k) and Roth;
Paid Time Off; and 11 paid Federal Holidays.

RISA is an Equal Opportunity Employer.

  • Upon receiving an offer of employment, all applicants will be required to do a background check, including a criminal record check and employment/education verification.
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