IT Systems Engineer - Secret clearance needed

Tlingit Haida Tribal Business Corporation•Columbia, WA

5d•Onsite

About The Position

Tlingit Haida Tribal Business Corporation (THTBC), through its subsidiary T&H Services, is hiring an IT Systems Engineer to support mission-critical, enterprise-scale network infrastructure at Joint Base Andrews and other listed work locations, including JBAB and the Pentagon. The role covers the end-to-end administration, deployment, security, and operational reliability of classified and unclassified network hardware, boundary protections, High-Assurance IP Encryptors (HAIPEs), and data center switches. The position requires an active DoD Secret clearance and U.S. citizenship. It is full-time and exempt, with a Monday-through-Friday schedule from 8 a.m. to 5 p.m. and recurring on-call or operational standby as needed. The stated pay range is $97,000–$107,000 per year. The engineer will design, implement, maintain, and secure IT and network systems, including Cisco enterprise and data center platforms, network management and access-control systems, F5 application delivery controllers, and cryptographic equipment. The role also includes DISA STIG compliance, network monitoring, multicast routing, outage coordination with defense agency stakeholders, change governance, documentation, disaster recovery, and Tier-3 operational standby.

Requirements

Active DoD Secret security clearance and U.S. citizenship.
Bachelor’s degree in Computer Science, Information Technology, Computer/Electrical Engineering, or a related technical discipline, or equivalent military/commercial experience.
At least 7 years of progressive, hands-on network engineering experience in secure, mission-critical enterprise or data center environments.
Meet DoD 8140 IAT Level II or III baseline certification requirements; the posting lists CCNA or CCNP Enterprise.
Hands-on experience configuring and maintaining Cisco Catalyst and Cisco Nexus switches and routers.
Experience administering Cisco Catalyst Center (DNA Center), Cisco ISE, and F5 BIG-IP (LTM/GTM).
Hands-on experience loading key material, configuring, and maintaining TACLANE/HAIPE hardware, including KG-175D and KGV-72.
Working knowledge of DISA STIG implementation and network compliance remediation.
Practical understanding of multicast routing protocols, including PIM-SM/DM and IGMP, and SNMP monitoring tools such as Cacti.

Nice To Haves

Practical scripting ability in Python and/or experience automating network provisioning and configuration drift audits with Ansible.
Familiarity with Cisco SD-WAN and Cisco Application Centric Infrastructure (ACI) fabric architectures.
In-depth knowledge of IPv6 addressing, dual-stack configurations, and routing protocols.
Familiarity with air-gapped systems and classified defense networks such as SIPRNet.
Prior operational experience supporting Air Force, Pentagon, or AFNCR network environments, including JBA and JBAB.

Responsibilities

Design, implement, and maintain information technology systems and supporting computing infrastructure.
Deploy, provision, configure, and maintain high-availability data center routing and switching hardware, including Cisco Catalyst and Nexus platforms and server network interfaces.
Maintain physical and logical infrastructure records, including rack elevation diagrams, patch and port maps, cable plant documentation, and asset databases.
Identify network single points of failure and implement redundancy and fault-tolerant architectures.
Administer Cisco Catalyst Center and Cisco Identity Services Engine (ISE) for device profiling, access control, and 802.1X policy enforcement.
Manage and configure F5 Application Delivery Controllers (LTM/GTM) for high availability, load balancing, and traffic distribution.
Administer RSA Authentication Manager to support multi-factor authentication for network devices and appliances.
Install, configure, key, and maintain Type-1 HAIPEs, including TACLANE KG-175D and KGV-72 equipment, across classified and unclassified enclaves.
Harden network elements and perimeter boundary devices in accordance with DISA STIGs and DoD cybersecurity directives.
Work with cybersecurity and facility teams to support DISA audit readiness and boundary protection controls.
Monitor network performance, capacity, and environmental health using Cacti and enterprise SNMP-based telemetry tools.
Deploy, maintain, and troubleshoot multicast routing architectures, including PIM and IGMP snooping, for IPTV systems.
Serve as the technical point of contact with operational entities such as the 26th NOS and DISA to resolve outages and degraded network conditions.
Author and coordinate Authorized Service Interruptions (ASIs) through change governance boards, including rollback plans and stakeholder communications.
Develop and maintain SOPs and runbooks aligned with Air Force instructions, environmental standards, and safety policies.
Participate in disaster recovery exercises, perform regular system backups, and validate restoration procedures.
Participate in a recurring Tier-3 operational standby and on-call rotation for emergent off-hours issues.