Mobile Network System Engineer

Job Locations US-MD-Columbia
Information Technology
Regular Full-Time
Top Secret/SCI


We are seeking a talented and energetic Mobile Network System Engineer who will interface with customers on a regular basis and provide technical leadership for key company projects.  Key areas of support include conducting site surveys; system planning, installation and commissioning; system support and troubleshooting; on-site system consulting, telephone support, testing, documentation and in some cases providing technical support for pre-sales efforts for Illuminate GSM, UMTS and LTE network monitoring systems.  The successful candidate is expected to work well on his/her own and within the broader Illuminate organization.  

The successful candidate will work at the customer’s site in Northern VA, remotely (at home office) and when required go to the Columbia, MD office


  • Participate in customer-facing meetings to review operational status of deployed systems
  • Provide system installation support to include: package breakout and installation of equipment; create installation drawings/instructions, manage cables (to include fiber, coaxial and twisted pair); install initial OS and application software; generate as-built documents; configure initial system and checking equipment for proper operation; and, provide troubleshooting support
  • Provide ongoing support of installed base through remote and on-site troubleshooting; install hardware and software updates
  • Provide solution design recommendations; plan and coordinate large- and small-scale network projects within a multi-vendor infrastructure environment consisting of voice and data communication networks
  • Provide multi-level on-site customer training for conducting site surveys, planning and installing system functionality and system operation (Locations for equipment installation are international and require temporary deployments anywhere from two to six weeks in duration)
  • Provide local and/or remote support for network planning, lab testing, lab support, troubleshooting and system administration support for systems deployed in the field or in customer lab facilities
  • Support sales personnel in pre-sales activities for new business opportunities
  • Write how-to’s and knowledge-based articles
  • Assist with subcontractor development efforts


  • Active or current TS/SCI (U.S. citizenship required)
  • Applicants must be currently authorized to work in the U.S. on a full-time basis. Employment-based visa sponsorship (including H-1B sponsorship) is not available for this position.
  • Bachelor’s degree in computer science, information systems, engineering, mathematics or related field
  • At least four (4) years of relevant work experience in an engineering role
  • At least two (2) years of specialized, relevant technical work experience in the areas of telecommunications, systems engineering, systems development, hardware and software development and/or installation system engineering support.
  • Demonstrated experience in troubleshooting and solving problems in complex communications systems
  • Ability to identify and analyze functional and operational requirements, and develop solutions to satisfy emerging needs
  • Strong understanding and/or experience in GSM, UMTS, and LTE mobile core network architectures, and related hardware, software and protocols
  • Experience with hands-on rack-and-stack installation, commissioning and maintenance of Telco-grade servers and systems; and, creating install guides and as-built documentation
  • Experience working directly with development team to resolve software and hardware problems; and, applying software and hardware patches
  • Strong knowledge of networking protocols such as TCP/IP, NAT, routing and switching 
  • Experience with firewall and vpn configuration 
  • Experience with Wireshark and analyzing logs, stack traces, debug libraries, software/hardware telemetry and reading/verifying/improving documentation
  • Strong interpersonal and communication (written and oral) skills
  • Must be able to repeatedly lift objects up to 50 lbs without assistance


Preferred Qualifications: 

  • Working Experience with Telco infrastructure: NSS (i.e., MSC, HLR, AUC, VLR, EIR), BSS (BTS, BSC, Common Air Interfaces), OSS (i.e., Inventory Systems, Customer Care/Billing Systems and gateways to transport information), SMSC, SGSN, GGSN and other ancillary components
  • Knowledge of the theory and principles of telecommunications (i.e., SS7, telco subsystems design/architecture/implementation/configuration)
  • Linux system and network administration experience
  • Experience with scripting languages and programming; Python, Perl, Shell, VI, C, C++
  • Networking and security certifications


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