By Light HQ

Journeyman Network Engineer

Job Locations US-VA-Alexandria
Posted Date 2 weeks ago(9/23/2022 12:57 PM)
# of Openings
Tier 1 - Low Risk (Public Trust)/HSPD-12/ADP III


About Us: By Light Professional IT Services LLC (By Light) is an ISO 9001:2015, 20000-1, and 27001 registered business that provides a full range of hardware and software engineering services to defense, civilian, and commercial customers worldwide. Driven by a management team that leverages real-world expertise from the defense, intelligence, federal healthcare, and commercial sectors, we provide reliable, efficient, and cost-effective IT solutions to each customer, every time.

Founded in 2002 by industry professionals with extensive knowledge in the Department of Defense and experience in the civilian arenas, we have the unique advantage of meeting customer requirements by integrating best commercial practices with critical real-world expertise to design innovative solutions that bridge the gap between legacy and emerging technologies.


About You: A hardworking, competitive type with that is driven to succeed with a natural sense of urgency. You are a self-starter with a reputation for being an effective team player, who proactively looks to improve and add efficiency to current processes. You exercise judgment in the decision-making process in order to provide consistent customer service. You are highly proficient in problem solving and are able to follow a systematic troubleshooting approach.


  • The ideal candidate will be involved with the creation of procedures, identifying, troubleshooting and resolving problems, and assuring that requirements are met for new and existing systems in support of engineering and installation.
  • This position provides hands on technical support for the global network infrastructure of a large Federal Government agency.
  • Additionally, this individual should have a working knowledge of how to setup and maintain VPN tunnels, VLAN configurations, wireless network configurations, IPv6 and IPv4 (including complex sub-netting) and network security (Cisco ASA or Palo Alto Networks Firewalls, ACLs, IPsec, and other encryption methodologies).

Required Experience/Qualifications

  • 2+ years of network administration
  • Experience with enterprise class Cisco routers and switches, installation, configuration, hardware/software updates and patching, advanced troubleshooting skills, including the ability to capture and analyse packet level data (i.e. Wireshark PCAPS)
  • Experience with network management tools such Cisco Prime
  • Experience with network monitoring tools, e.g., RiverBed, NetFlow, TAPs and SPANs
  • Experience with VPNs and other remote access applications
  • Experience with wireless network configurations and installation
  • Knowledge of switches, routers, firewalls, LAN, WAN, TCP/IP, UDP, QoS
  • Must demonstrate advanced understanding of TCP/IP including layer 2/3 VLANs and routing protocols such as BGP, EIGRP and OSPF
  • Ability to express complex technical concepts effectively, both verbally and in writing
  • Must be available for weekend and evening work if required
  • Must be able to document in detail all implementations and projects

Preferred Experience/Qualifications

  • Cisco Certified Network Associate
  • Cisco Certified Network Associate

Special Requirements/Security Clearance

  • Public Trust Clearance
  • By Light does not require COVID-19 vaccinations or boosters; vaccination requirements and testing are subject to the status of the federal contractor mandate and customer site requirements; testing is at the cost of the employee.

Physical Demands

  • Must be able to climb a ladder
  • Must be able to lift/rack/unrack items up to 50lbs


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