COMSEC Test Engineer

About the RoleThis position blends advanced COMSEC expertise with multi-layer network engineering to ensure mission-ready, secure communications across complex environments. Individuals will apply detailed technical knowledge of COMSEC equipment, communications protocols, and network infrastructure to support installation, configuration, troubleshooting, and functional checkout of hardware/software configurations. This role also provides Tier III operational support and contributes to the reliability and security of enterprise-level networks.Key ResponsibilitiesCOMSEC Engineering & Testing· Technical Integration - Apply deep expertise in space and terrestrial communications protocols to mitigate technical and programmatic risks during COMSEC system integration.· Systems Operations - Execute precise configuration, operation, and performance testing on COMSEC systems to ensure mission readiness.· Maintenance & Troubleshooting - Perform fault isolation, troubleshooting, and maintenance actions to restore systems to peak functionality.· Functional Validation - Conduct comprehensive functional checkouts of hardware/software configurations to meet rigorous security specifications.Network Operations & Engineering· LAN/WAN Support - Support installation and maintenance of client LAN/WAN devices.· Incident Response - Respond to and resolve incidents; demonstrate strong troubleshooting and communication skills.· Change Management - Draft and implement standard network change requests.· Enterprise Level Support - Support end users with incident management, site surveys, TEMS, and new equipment installation.· Configuration Management - Update topology drawings, maintain accurate asset records, and conduct inventory.Technical Networking Skills· Layer 1 Networking - CAT5/6, SM/MM fiber, serial cables, SFPs.· Layer 2 Networking - Configure/troubleshoot switches, MAC addresses, VLANs, port security.· Layer 3 Networking - Subnetting; familiarity with OSPF, BGP, GRE and general routing best practices· Switching & IOS Upgrades - Perform IOS upgrades for Cisco.· VM Lifecycle Management - Ability to provision, manage, and allocate resources for Virtual Machines (VMs) and guest OS installations.Required Qualifications· Active TOP SECRET/SCI clearance or eligible to obtain.· Compliance with DoD 8140 IAT Level II requirements.· Practical experience installing and operating COMSEC equipment within secure communications architectures.· Familiarity with utilizing Encryption Fill devices (Simple Key Loader, Tactical Key Loader)Preferred Qualifications· Strong understanding of cryptographic key management and secure transport solutions.· Familiarity with fundamental cryptography concepts, including the management, lifecycle, and secure handling of public and private encryption keys.· Working knowledge of modern cryptographic protocols and secure communication standards such as HAIPE, IPsec, cryptographic algorithms, over-the-network-keying, and over-the-air-transfer.· Experience with automated network testing platforms, with direct experience utilizing Spirent environments or equivalent industry-standard traffic generators· Strong proficiency in scripting with Python and PowerShell to support automation and change management.  Trillion is an equal opportunity employer. Applicants are considered for positions without regard to race, religion, gender, native origin, age, disability, or any other category protected by applicable federal, state, or local law.