IT Systems Engineer - Secret clearance needed

Tlingit Haida Tribal Business Corporation; Washington (District of Columbia); On-site; USD 97,000 - 107,000; Full time

Benefits offered by this job

Medical, Dental, and Vision coverage

TRICARE Supplemental

Life and Disability insurance

Job summary

Tlingit Haida Tribal Business Corporation (THTBC) in Washington, DC, seeks an experienced IT Systems Engineer with an active DoD Secret clearance. You will design, deploy, and maintain enterprise network infrastructure, ensure DoD STIG compliance, and coordinate with DISA and other defense entities at JB Andrews/Pentagon.

The role requires 7+ years of hands-on network engineering experience in secure environments, CCNA/CCNP and Security+ CE, and experience with Cisco Catalyst, ISE, F5 BIG-IP,

Qualifications

• Bachelor’s degree in CS/IT/Engineering or related field; DoD 8140 IAT Level II/III baseline requirements: CCNA or CCNP Enterprise; Security+ CE
• Advanced degrees or substantial experience may substitute as described in the job posting
• Minimum 7+ years of progressive, hands-on network engineering in secure, mission-critical environments

Responsibilities

• Deploy, configure, and maintain high-availability data center routing and switching hardware (Cisco Catalyst/Nexus)
• Administer enterprise network management platforms (Catalyst Center, Cisco ISE)
• Manage F5 BIG-IP LTM/GTM for HA and load balancing
• Install, configure, and maintain HAIPE/TACLANE cryptographic equipment
• Harden network elements per DISA STIGs and DoD directives
• Support DISA audit readiness with cybersecurity and facilities teams
• Participate in disaster recovery, backups, and on-call rotations

Skills

Active DoD Secret clearance

CCNA

CCNP Enterprise

Security+ CE

Cisco Catalyst Center

Cisco ISE

F5 BIG-IP

TACLANE/HAIPE

Python/Automation

DISA STIGs

Multicast routing (PIM/IGMP)

Education

Bachelor’s degree in Computer Science/Information Technology/Engineering

Master’s degree in related field (optional)

Equivalent military/commercial experience

Tools

Cisco Catalyst Center

Cisco ISE

F5 BIG-IP

TACLANE/HAIPE hardware

Cacti/SNMP monitoring

DISA STIG tooling

Job description

IT Systems Engineer - Secret clearance needed

Washington, District of Columbia, United States

At Tlingit Haida Tribal Business Corporation (THTBC), your work goes beyond the job description—it becomes part of a purpose-driven legacy. Our continuous commitment to growth directly contributes to the strength, resilience, and future of the communities we serve. Every milestone we achieve helps fund programs, expand services, and create lasting value for the Tribe, making each success a shared one.

For more than 35 years THTBC and its subsidiaries have delivered mission-critical services to federal clients globally. From logistics and information technology to cybersecurity and facilities operations, we are united by a single purpose: to generate meaningful economic opportunity and sustainable growth for the Tlingit & Haida Tribes of Alaska.

Together We Grow – One Mission, One Team – With a Commitment to Serve

Clearance: MUST HAVE AN ACTIVE SECRET CLEARANCE

Work Location:Joint Base Andrews/JBAB/The Pentagon

Hours: Monday – Friday, 8am- 5pm | On-Call / Operational Standby as needed

Labor Category: Full-Time | Exempt

Pay Rate: $97,000 - $107,000 per year

Minimum/General Experience:

3 – 5 years. Functional Responsibilities: Design, implement, and maintain information technology systems. To include designing the basic computing infrastructure to accomplish key tasks, establishing networking rules for cybersecurity, and troubleshooting network errors or other technical issues.

Minimum Education: A bachelor’s degree in computer science, information technology, or related. Education and experience requirements may be substituted 1. A master’s degree (in subjects described above) and 3 years of experience. 2. No degree with 10 years of intensive and progressive experience demonstrating the required proficiency levels related to task.

Position Overview:

• We are seeking an experienced Senior Network Engineer to support mission-critical, enterprise-scale network infrastructure at Joint Base Andrews (JBA). In this role, you will be responsible for the end-to-end administration, deployment, security, and operational reliability of classified and unclassified core network hardware, boundary protections, High-Assurance IP Encryptors (HAIPEs), and data center switches. The ideal candidate brings deep technical expertise in Cisco enterprise and data center platforms, DoD STIG compliance, network telemetry, and collaborative incident resolution with defense agency stakeholders (e.g., 26th NOS, DISA).
• Key Responsibilities Deploy, provision, configure, and maintain high-availability data center routing and switching hardware, including Cisco Catalyst and Nexus Series platforms, as well as high-performance server network interfaces.
• Maintain comprehensive physical and logical infrastructure records, including exact rack elevation diagrams, patch and port maps, cable plant documentation, and physical asset management databases.
• Identify single-points-of-failure (SPOF) proactively across the network topology and implement redundancy and fault-tolerant architectures.
• Administer enterprise-level centralized network management platforms, utilizing Cisco Catalyst Center (formerly DNA Center) and Cisco Identity Services Engine (ISE) for device profiling, automated access control, and 802.1X policy enforcement.
• Manage and configure F5 Application Delivery Controllers (LTM/GTM) to ensure high availability, load balancing, and trafficdistribution across core application tiers.
• Administer RSA Authentication Manager solution a to facilitate Multi-Factor Authentication (MFA) for network devices and appliances.
• Install, configure, key, and maintain Type-1 High-Assurance IP Encryptors (HAIPEs), including TACLANE (KG-175D, KGV-72) and associated cryptographic equipment across classified and unclassified enclaves.
• Harden all network elements and perimeter boundary devices in strict accordance with DISA Security Technical Implementation Guides (STIGs) and DoD cybersecurity directives.
• Partner with cybersecurity and facility teams to ensure physical and logical boundary protection controls meet Defense Information Systems Agency (DISA) audit readiness.
• Monitor network performance, capacity metrics, and environmental health utilizing Cacti and enterprise SNMP-based telemetry tools.
• Deploy, maintain, and troubleshoot multicast routing architectures (e.g., PIM, IGMP snooping) supporting enterprise Internet Protocol Television (IPTV) systems over local area networks.
• Act as the primary technical point of contact (POC) interfacing with enterprise operational entities, including the 26th Network Operations Squadron (26th NOS) and DISA, facilitating rapid troubleshooting and resolution during network outages or degraded conditions.
• Author, coordinate, and shepherd Authorized Service Interruptions (ASIs) through change governance boards, ensuring detailed rollback plans and proactive stakeholder communications.
• Formulate, standardize, and maintain detailed Standard Operating Procedures (SOPs) and runbooks aligned with Air Force instructions, environmental standards, and safety policies.
• Participate in disaster recovery (DR) exercises, execute regular system backups, and validate physical/logical restoration procedures.
• Participate in a recurring Tier-3 operational standby / on-call rotation to address emergent off-hours operational degradations.
• Required Qualifications Clearance: Active DoD Secret security clearance (U.S. Citizenship required).Education & Experience:Bachelor’s degree in Computer Science, Information Technology, Computer/Electrical Engineering, or related technical discipline; OR equivalent military/commercial experienceMinimum of 7+ years of progressive, hands‑on network engineering experience in secure, mission‑critical enterprise or data center environments.Must meet DoD 8140 IAT Level II or III baseline certification requirements: Cisco Certified Network Associate (CCNA) OR Cisco CCNP Enterprise. CompTIA Security+ CE
• Optional Technical Proficiencies: Demonstrated hands‑on engineering experience configuring and maintaining Cisco Catalyst and Cisco Nexus switches/routers. Proven experience administering Cisco Catalyst Center (DNA Center), Cisco ISE, and F5 BIG-IP (LTM/GTM).Direct hands‑on experience loading key material, configuring and maintaining TACLANE / HAIPE hardware (KG-175D, KGV-72).Working knowledge of DISA STIG implementation and network compliance remediation.
• Practical understanding of multicast routing protocols (PIM‑SM/DM, IGMP) and SNMP monitoring tools (e.g., Cacti).
• Preferred Qualifications Practical scripting ability in Python and/or automation using Ansible for network provisioning and configuration drift auditing.
• Familiarity with Cisco SD-WAN and Cisco Application Centric Infrastructure (ACI) fabric architectures.In‑depth knowledge of IPv6 addressing schemes, dual‑stack configurations, and routing protocols.
• Familiarity operating within air‑gapped systems and classified defense networks (e.g., SIPRNet).Prior operational exposure supporting Air Force, Pentagon, or Air Force National Capital Region (AFNCR) network footprints (including Joint Base Andrews [JBA] and Joint Base Anacostia‑Bolling [JBAB]).

US Pay Range

$97,000 - $107,000 USD

Why Us?

At Tlingit Haida Tribal Business Corporation (THTBC), our work goes beyond delivering exceptional services—we are driven by a mission to create meaningful impact. When you join our team, you become part of an organization that values purpose, performance, and people.

We offer the opportunity to work in dynamic, fast-paced environments where your contributions directly impact mission success. Our teams are built on collaboration, accountability, and a commitment to excellence, ensuring you are supported while being challenged to grow.

Join us and be part of a team where your work matters.

We offer a comprehensive and flexible benefits package designed to support your health, well‑being, and financial security. Benefits include:

• Medical, Dental, and Vision coverage
• TRICARE Supplemental
• Critical Illness insurance
• Company-Paid Life and Short-Term Disability insurance
• Optional Long-Term Disability
• 401(k) Retirement Plan
• Identity Theft Protection
• Employee Discounts
• Wellness Seminars

For union represented positions, benefits and leave are provided in accordance with the applicable Collective Bargaining Agreement.

Pre-Employment Screening: All candidates must successfully complete pre-employment screening, which may include a criminal background check, motor vehicle record review, and 5-panel drug screening, in accordance with company policy and applicable laws.

Equal Employment Opportunity: We are proud to be an equal opportunity employer and are committed to full compliance with all applicable federal, state, and local employment laws. We consider all qualified applicants for employment without regard to race, color, religion, creed, national origin, sex, gender identity or expression, age, marital status, sexual orientation, veteran status, disability, pregnancy, parental status, or any other status protected by applicable law.

Reasonable Accommodation: If you have a disability or medical condition and require a reasonable accommodation at any stage of the hiring process, please notify the designated recruiter so we can provide appropriate assistance.