Wiesbaden, DEU Full-time Clearance Requirement: Secret Company Description Founded in 1989, SOSi is among the largest private, founder-owned technology and services integrators in the defense and government services industry. We deliver tailored solutions, tested leadership, and trusted results to enable national security missions worldwide. Job Description Overview _This position is contingent upon contract award_ SOSi is seeking a Senior Systems Engineering Support Lead (Network) in Wiesbaden, Germany. The ideal candidate will possess experience overseeing engineering, maintenance, and optimization of enterprise-level network architectures and transport systems in support of theater-level mission requirements. The role involves leading technical network engineering efforts, ensuring infrastructure integrity, and providing high-level technical support across complex routing, switching, and WAN environments. Essential Job Duties Provide senior-level engineering support for the development, integration, and implementation of complex network hardware, including routers, switches, and firewalls. Lead the technical planning and execution of network backbone upgrades, circuit transitions, and resource allocation for theater-level communication systems. Oversee the performance and health of the wide area network (WAN) and local area network (LAN) to ensure scalable, resilient, and high-speed data transport. Direct the configuration and maintenance of routing protocols and transport technologies to ensure secure and efficient traffic flow. Ensure the availability, integrity, and confidentiality of the Department of Defense Information Network (DoDIN) by performing advanced troubleshooting and maintaining strict STIG compliance. Provide situational assessments, capacity planning metrics, and proactive technical support to address emerging connectivity requirements and theater-wide initiatives. Qualifications Minimum Requirements Active in scope Secret clearance. BA/BS degree (Engineering, Computer Science, Science, Business Administration, or Mathematics) plus three (3) years of specialized experience OR Associateu2019s degree plus seven (7) years of specialized experience OR a major professional certification plus seven (7) years of specialized experience OR eleven (11) years of specialized experience. Possession of a Cisco Certified Network Professional (CCNP) or Juniper Network Certified Internet Specialist (JNCIS). The following experience may be concurrent. Minimum four (4) years of experience maintaining and developing TCP/IP networks (on Ethernet, ATM/SONET and/or wide area transports). Minimum three (3) years of direct experience with U.S. military command and control or commercial LAN/WAN communication systems. Preferred Qualifications Possession of expert-level certification such as CCIE or JNCIE. Extensive experience with BGP, MPLS, and VRF configurations in a multi-site enterprise environment. Advanced knowledge of Cisco ISE, 802.1X authentication, and Comply-to-Connect (C2C) standards. Proficiency in Python or Ansible for automating network configuration and auditing. Experience with Cisco Nexus (9k/7k/5k) series switches and ASR/ISR series routers. Familiarity with Cisco SD-Access or SD-WAN implementation. Prior experience supporting theater-level network operations centers. Additional Information Work Environment Normal office conditions with potential to perform duties in deployed locations. May be requested to work evenings and weekends to meet program and contract needs. Working at SOSi All interested individuals will receive consideration and will not be discriminated against for any reason. SOSi is an equal employment opportunity employer and affirmative action employer. All interested individuals will receive consideration and will not be discriminated against on the basis of race, color, religion, sex, national origin, disability, age, sexual orientation, gender identity, genetic information, or protected veteran status. SOSi takes affirmative action in support of its policy to advance diversity and inclusion of individuals who are minorities, women, protected veterans, and individuals with disabilities.