SMX is seeking Field Service Representatives SDN - Level III  to support the sustainment, integration, and enhancement of USSOCOM Satellite Deployable Node (SDN) Family of Systems (FoS) . The candidate will work hands-on with tactical communications systems across CONUS (with possible limited OCONUS) locations, providing life cycle sustainment, training, and on-site technical support. This role also involves systems integration responsibilities, including testing, vendor coordination, and C4ISR capability development in support of DoD tactical operations. This position requires a DoD Secret clearance with the ability to obtain TS/SCI which requires US citizenship for work on DoD contracts. Essential Duties & Responsibilities Provide 24/7/365 Tier III technical support to units operating SDN equipment via phone, email, or on-site support Conduct full operational system checks, pull network services, and validate USSOCOM/SIE connectivity Inventory, track, and maintain program equipment using COLTS, DPAS, and DA Form 2062 Conduct sustainment and OJT training; managing event documentation, reports, and training material needs Coordinate equipment shipment, RMA processing, and logistics support for maintenance events Ensure all maintenance actions, inventories, and field events are logged, closed, and reported accurately Integrate new hardware/software into existing tactical network architectures, supporting RDT&E and demonstrations Configure and support tactical communications equipment, including MANET radios (e.g., PRC-148C, PRC-163C, MPU-5) Support TAK (ATAK/WinTAK/CIVTAK) ecosystem implementation and training, including TAK Server deployment Conduct equipment evaluations and identify capability gaps; assist with acquisition support and vendor coordination Train end-users and embedded personnel on new systems and technologies, ensuring operational readiness Support integration across commercial and tactical networks, satellite, LTE, and router/switch environments Provide leadership to less senior staff May perform both SDN and TACLAN support Required Skills & Experience DoD Secret security clearance with the ability to obtain TS/SCI 5+ years of experience in tactical systems support, systems integration, or similar DoD technical field roles Strong knowledge of tactical network design, Linux/server administration, and C4ISR systems Familiarity with SOF mission requirements and operational TTPs Demonstrated ability to troubleshoot and configure secure communication networks and devices Excellent communication, technical documentation, and stakeholder coordination skills 10 years of experience or Masters degree  Desired Skills & Experience Experience with tactical routers, switches, SATCOM systems, LTE/cellular tech, and secure certificate management Familiarity with government property handling (GFP/CAP), acquisition processes, and fielding integration

CJPOST

  The SMX salary determination process takes into account a number of factors, including but not limited to, geographic location, Federal Government contract labor categories, relevant prior work experience, specific skills, education and certifications. At SMX, one of our Core Values is to Invest in Our People so we offer a competitive mix of compensation, learning & development opportunities, and benefits. Some key components of our robust benefits include health insurance, paid leave, and retirement. The proposed salary for this position is: $100,000 — $127,000 USD   At SMX®, we are a team of technical and domain experts dedicated to enabling your mission. From priority national security initiatives for the DoD to highly assured and compliant solutions for healthcare, we understand that digital transformation is key to your future success. We share your vision for the future and strive to accelerate your impact on the world. We bring both cutting edge technology and an expansive view of what’s possible to every engagement. Our delivery model and unique approaches harness our deep technical and domain knowledge, providing forward-looking insights and practical solutions to power secure mission acceleration. SMX is an Equal Opportunity employer including disabilities and veterans. Selected applicant may be subject to a background investigation and/or education verification. SMX does not sponsor a new applicant for employment authorization or immigration related support for this position (i.e. H1B, F-1 OPT, F-1 STEM OPT, F-1 CPT, J-1, TN, E-2, E-3, L-1 and O-1, or any EADs or other forms of work authorization that require immigration support from an employer).

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