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Network Administrator- Journeyman Security Clearance

Job in Aberdeen, Harford County, Maryland, 21001, USA
Listing for: TENAX Technologies
Full Time position
Listed on 2026-01-08
Job specializations:
  • IT/Tech
    Cybersecurity, Network Security, Systems Engineer, Network Engineer
Job Description & How to Apply Below
Position: Network Administrator- Journeyman with Security Clearance
Certifications:

CompTIA Security+CE,
AND 1 or more of the following: CCNA, CCNP, CCNP-Security, CCDP, JNCIS, JNCIP Additional Info:
DoD Secret Security Clearance Required (Top Secret Preferred)
Mixed IT experience is welcome but candidate must have Network experience.

** The salary range for this position is intended to be based upon a candidate's years of professional work experience in the field which they are applying and combined aptitude for the duties and responsibilities listed below, subject to a technical interview. Daily Job Tasking:
Provide day-to-day network engineering and operational support for unclassified/classified network infrastructure.
Work on network related projects and report progress to customer. Recommend solutions for new equipment, software, network configuration, design, and management to include the detail, specification, hardware components, and part numbers.
The successful candidate will have a strong work ethic and be a self-starter.
They will possess the ability to work independently and as part of a team with little direct supervision. Responsibilities:
Installation, Configuration, and Maintenance Layer 2 and Layer 3 Network devices
Expansion, Modification, Integration and Redundancy of the Network
Diagnostics and Testing of Network using software/hardware tool suites
Firewall Management: modify, add/remove policies.
Traffic Analysis:
Net Flow, SNMPv3 traps, syslog, Nuttcp, wireshark, etc.
Network Research, Analysis, and Engineering
Network Modeling and Simulation
Assist customer with network security audits and inspections.
Coordinate IT work with non-IT customers and site managers
Work with other IT teams e.g. Sever, helpdesk, Information Assurance/Security, etc, to effectively meet customers’ needs.
Follow established change procedures and implement the changes
Validate and verify the proper functioning of network devices

Required Experience:

Excellent knowledge of Network and Internet technologies. Specifically L2 and L3 switching, basic routing, and network security.
Must have experience with Installing, configuring, and maintaining switches, routers, firewalls, and other network devices.

Experience with DoD or other Federal government networks.
Knowledge of DISA STIG and IAVM procedures
VLAN, STP, and layer 2 switching, LAN Management
Juniper, Palo Alto, Forti Net, and/or Cisco Firewalls.
Interior and exterior routing protocols
Network monitoring applications e.g. Solarwinds
COMSEC accounting or handling policies training
Working knowledge of 802.1x and RADIUS as it applies to network security
HAIPE Inline Network Encryption (Taclane) management
Working knowledge of site-to-site VPN tunnels

Preferred Experience:

knowledge of and/or experience with one or more of the following is desired RADIUS server experience
TACACS experience
IPsec site-to-site VPN
VoIP
Secure Copy Protocol (SCP)
Knowledge of NTP
Basic understanding of DNS
Knowledge of PKI and IKE
Linux experience
MS Visio
HBSS
GEM-X
PERL Scripting
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