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Network Engineer Security Clearance

Job in Arlington, Arlington County, Virginia, 22203, USA
Listing for: The Informatics Applications Group
Full Time position
Listed on 2026-01-07
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Engineer
Job Description & How to Apply Below
Position: Network Engineer with Security Clearance
TIAG is now hiring a Network Engineer to support our team onsite at the Office of Naval Research in Arlington, VA. This is a position that is 100% onsite (5 days/week at the ONR in Arlington). This position requires a Secret clearance to be able to start work. US or Naturalized Citizenship are a requirement for eligibility. Responsibilities for the Network Engineer will include the following:
* LAN infrastructure support:
Staging, Installation and Maintaining Cisco Nexus and Catalyst switches, as well as Aruba wireless controllers. Familiar with network connectivity to include copper, fiber optics, and wireless
* WAN support:
Providing support for Border Gateway Protocol (BGP) neighbor configurations.
* Cloud architecture support: for AWS services (IAM, VPC, S3, EC2, etc.) to support operational network architectures.
* Security policy configuration:
Managing security features on Palo Alto firewalls, including App-, User-, Global Protect, Wildfire, NAT policies, and security profiles.
* Authentication and access management:
Configuring and managing Authentication, Authorization, and Accounting (AAA) architecture using Radius for Cisco, Aruba, and Palo Alto platforms.
* Configuration of PKI authentication and PKI Certificate Managements
* Network troubleshooting:
Troubleshooting issues related to TCP/UDP, IPv4/IPv6 subnetting, access lists, and connectivity on Cisco and Palo Alto devices.
* Performance monitoring:
Using tools like Solar Winds to monitor network performance and test network capabilities.
* Experience on Cisco data center deployment to include Cisco Nexus
* Familiar with network protocols including TCP/IP, UDP, DHCP, TFTP, SCP/SSH
* Documentation and compliance:
Creating and maintaining detailed network documentation and adhering to yearly Security Technical Implementation Guide (STIG) policies.
* Hardware and software upgrades:
Implementing new network equipment and software upgrades.
* Asset management:
Practicing network asset management by keeping an inventory of network components and related documentation.
* Possesses proficient knowledge of layer 2 switching protocols including LLDP, STP, VTP, VLAN, LACP, 802.1q
* Ticket resolution:
Handling and resolving support tickets using the Service Now platform. Qualifications
* Five (5) years of relevant experience
* Experience developing, maintaining and supporting technical infrastructure, hardware, and system software components for mid- to large-sized projects.
* Experience determining and developing approach to solutions. Experience performing installation, maintenance, and support of system software/hardware and providing user support.
* Experience identifying key barriers/core problems and applying problem solving skills in order to deal with complex situations.
* Experience troubleshooting and resolving complex problems. Experience making decisions under conditions of uncertainty, sometimes with incomplete information, that produce effective end results.
* Experience performing engineering and roll out implementation, configuration, debugging and support for multiple platforms.
* Experience monitoring and tuning platforms to ensure expected availability and performance levels are achieved.
* Hands-on experience designing and supporting AWS environment and utilizing AWS administrator portal.
* Experience in AWS services and technologies such as IAM, VPC, S3, EC2, Cloud Watch and Cloud Trail, Route 53, RDS, SSM, Elastic Search and Lambda. Required

Certifications:

* IAT Level II
* CCNA or another Cisco Certification
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