SUMMARY:

• System Engineer with 20 years of technical experience seeks position that will utilize exceptional training and expertise.
• 20 years of engineering experience in the Information Technology & Satellite Communications industry.
• 20 years of experience with computer networking protocols including, but not limited to TCP, IP, UDP, SIP, HTTP, DHCP, HSRP and DNS.
• 20 years of experience in Radio Frequency technologies HF VHF UHF, SHF.
• Thorough understanding of NASA technical principles, theories, best practices and concepts in the field of Satellite Communications and Engineering.
• Extensive experience on IP routing protocols such as EIGRP, OSPF and BGP.
• Demonstrated ability to manage all aspects of the digital and analog circuitry.
• Strong LAN, VOIP, RF, IPTV streaming, H.264 and Video transport.
• Proficient in working with applicable network devices to include, Antennas, Satellite Modems, Ground Terminals/Subsystems, Routers, Switches, Firewalls and Network Intrusion Devices.
• Demonstrated ability to effectively adapt to rapidly changing technology and apply solutions to fit business needs to adhere multiple deadlines.
• Organized, self - motivated demonstrated ability to manage and lead all aspects of a network, ensuring highest level of performance on a 24/7 Engineering/Operations Environment.
• Advanced knowledge of telecommunication technologies and best practices.
• Possess the foresight to identify potential key barriers/core problems and develop solutions to mitigate downtime and risk.
• Capable of turn-up, acceptance, and provisioning of dedicated digital data circuits such as T1-T3, and optical circuits up to a 10G capacity.
• Highly proficient in the transmission parameters and protocols of subscriber carrier systems, complex data systems and advanced networking such as DWDM, VoIP, IP, LAN/WAN, DSL, SONET, networks.

PROFESSIONAL EXPERIENCE:

Confidential, Greenbelt, MD

Title Human Spaceflight Network Systems Engineer

• Responsible for managing satellite operations and providing engineering expertise to support on - orbit missions as well as upcoming (VV) Visit Vehicles missions to the International Space Station. Responsible for mission planning, mission operations, spacecraft Comm link testing, network operations, network fault detection, anomaly isolation and system recovery.
• Collaborates with mission partners and mission ops service providers (network elements) to develop and execute mission operations plan.
• Identifies, tracks, and verifies system requirements to develop Local Operating Procedures.
• Leads all tests to verify requirements.
• Leads the Space Operations Team during mission critical operations.
• Leads all efforts to determine Root Cause and Corrective Actions (RCCA) for items affecting HSF network operations.
• Interfaces with customers and other project teams to negotiate the use of shared resources per provider Service Level Agreements.
• Conducts various mission planning activities and represented the organizational unit to providing solutions to technical issues associated with specific projects.
• Performs real time support of spacecraft operations.
• Performs analysis and refinement of on-orbit operations processes.
• Actively participates in fault detection, anomaly analysis, formulation of corrective actions, and resolution, including independent determination and development of approaches to solutions; report formulation/closure and submission to an anomaly database.
• Provides ongoing support in the acquisition, maintenance, and protection of resources in order to ensure that space communications systems can operate to their fullest capacity.
• Performs detailed analyses and leads coordination efforts to support multiple missions not limited to; national/international working groups in order to resolve usage problems and promote the efficient use of NASA resources.
• Applies the principles of orbital mechanics and RF communication systems.
• Manages entire lifecycle of satellite development, testing, and operation.
• Experience and knowledge of NASA s Human Space Flight Network and associated communication systems.
• Active Mission Planner for specialized activities utilizing NASA proprietary scheduling tools.
• Exercises knowledge of satellite communications in the command and control of space vehicles.
• Exercises knowledge of digital communication systems, spread spectrum, single and multi-carrier techniques.
• Exercises knowledge of PN code, Doppler compensation, and operating in both coherent and non-coherent modes.
• Exercises knowledge of S-Band, ku-band, k-band and ka-band communications.

Confidential, Riverdale, MD

Title Ground Systems Engineer II Network Engineer

• Managed the maintenance, upgrades, monitoring, troubleshooting and problem diagnosis/resolution for all lab network devices.
• Managed project requests and analyzed the scope and requirements. Upon completion, excised the project s software/hardware in a lab environment to assure the current system could facilitate and support.
• Provided a clear and concise understanding of how each request for hardware and software requirements shall be supported by the contract System Administrator Team (SA Team) and executing an Engineering Change Request for changes to the network baseline.
• Responded to Ground System anomalies and managed and configured Ground Systems.
• Coordinated with Mission Planners for specialized activities.
• Coordinated deviations from planned operations as well as anomaly responses.
• Provided technical recommendations to internal customers, management and support team.
• Executed Engineering Change Request (ECRs) in a face - pace environment delivering Engineering Drawings (CAD) and completed actions ahead of delivery date.
• Maintained the lab IT architecture to mirror and keep current with all customer IT networks structures.
• Lead Network Administration for hardware and software support for all developer requests, and new IT prototypes being hosted in the lab (large and small scale).
• Assumed responsibility for configuration and maintenance of lab assets built on Cisco, and other network devices.
• Actively applying knowledge and skills to wide areas such as: space and ground segment system engineering, data processing, real-time on-orbit operations and monitoring, spacecraft command/control, telemetry procedure development, data base development/maintenance, space systems communications, software test/command script development, training and operations procedure development.
• Applied knowledge spacecraft simulators, for example STK simulation software, RT Logic RTL-T400- MR DMSP receivers MHF 600-2INF High Rate demodulators and Front-End Processors MT400-Space Link Extension (SLE) SGE Translator.
• Provided independent review of the development and verification of ground segment architecture and operations plans and procedures.
• Assisted the project in proactively identifying, analyzing, resolving, and managing risks in current and future ground segment architecture and operations.
• Conducted operational validation of the ground segment, including interface tests, end-to-end tests and mission simulations.
• Managed and Maintained Cisco Firewalls, Nexus Switches, RF Switches, TACACS/ ACS Server, Transition Switches, Data Characterization Servers, implementing firewall rules and configuration changes.
• Managed Network Intrusion Detection Applications, Enterprise Manager, Infoblox and NetMri

Confidential, Baltimore MD

Title Senior Network Operations Engineer

• Provided Tier 2 support for all service and network related issues, in a 24/7 on call rotation environment.
• Documented clearly and effectively information in the Trouble Ticket system also provided clear communication to other staff about ongoing events and follow up on escalated problems. Also worked closely with multiple vendors to resolve network hardware failures and RMA if needed.
• Operated multiple devices on a DTM network, which included manufacturers not limited to Harris, Adtec, Nevion, Scientific Atlanta, Sycamore, Cisco and Ciena 4200 s.
• Performed circuit vendor management for network trunking, and was responsible for quarterly performance reporting for maintenance and carriers.
• Managed change management process for media services and high bandwidth Ethernet services. Processed change management request, and notified customer of potential impact to protected or single treaded circuit that traversed network. Rerouted traffic around upcoming events and performed a daily risk assessment of multiple customers trunks on both the US and international network.
• Provided telemetry support of an H3C network and trouble - shot the routers that comprised it.
• Managed and operated Routers, Cisco Switches, Firewalls and implemented vulnerability updates to network devices on net.
• Operated software that managed a Video Scheduling System. Also processed bookings manipulating various encoders, decoders frame rate converters and standards converters. These devices comprised multiple video formats, including PAL and NTSC.
• Supported customer use of management software.
• Trained all employees, current and new hires, on software and hardware operation.
• Carried out customer performance reviews quarterly / yearly.
• Managed the reporting process, which included outage, transmission and remote hands.
• Managed customer related issues. Provided front line support when required and was the point of escalation for any unresolved queries ensuring issues reached resolution.
• Provided Project management of large operations projects (upgrades, router and trunk migrations, supported vendor management of operations issues and bugs.
• Implemented training for Network Operation Technicians and Junior Staff.
• Maintained, operated and tested services on OC3, OC12, OC48, OC192 and 10G circuits
• Troubleshot DWDM circuits, Local and Wide Area networks, in various network configurations, systems, and protocols.
• Managed the escalation and notification of network incidents to engage the appropriate personnel.

Confidential, Arlington, VA

Title Headend Engineer II

• Maintained system including all System signals (video, audio and data) balanced levels as specified in system operating instructions.
• Performed quality control of all aspects of the network, from signal acquisition, signal processing and final optical distribution, which include maintaining signal properties of equipment such as TVROs, Signal Processors, Demodulators, Video Receivers, Microwave Transceivers, Modulators, tape players, video servers, laser transmitters and receivers, MTS encoders, Encryption equipment, IRTs, upconverters and UBRs.
• Expert at utilizing various Video Transmission equipment. Such as Harris/, JDSU, Harmonic, Adtec MediaHub - EN-91, NetVx, Sencore, Ciena, Tandberg and Juniper.
• Conducted equipment calibration, FCC performance tests and Emergency Alert System
• Maintained records and documentation for the Operations Center.
• Perform alterations including design changes, service additions, service changes, channel rearrangements, equipment improvements and changes including air conditioning, power conditioning, standby generators, UPS systems, antennas and satellite RX/TX stations.
• Carried out maintenance and repair of Common carrier Microwave, which included transceiver and receiver sites, secondary power sources, antennas, towers and respective lighting as specified by FCC and FAA mandates and rulings.
• Assist in the Network Administration, which includes; administration, maintenance and use of the DAC 6000, ACC 4000, Net mentor, Seachange Ad Insertion and Pioneer EPG servers.
• Perform On-Call duties during non-business hours in the event of a Master Control outage.
• Assisted in designing major extensions or modifications. Climb ladders and other structures as needed. Manipulates connectors, fasteners and wire, coax cables, fiber optic cables, waveguides and uses hand tools.
• Properly used, stored and maintained test equipment which include; VOM, DMM, TDR, OTDR, laser fault locators, spectrum analyzer, StreamXpert-Dektec, waveform monitor, o-scopes, vector scopes, Optical fusion splicer, power meter, frequency counters, portable microwave receiver and computing equipment (i.e. laptops) as used in the customary operation of a CATV system.
• Performed the duties of a Master Control Technician, which include but are not limited to: Testing, processing, encoding and inserting video programming, maintain and repair production and studio equipment, maintain the video library, coordinate the testing and insertion of Local Origination and Public Access channels as needed.
• Maintained all equipment assigned in proper working order including calibration, repair, adjustment and alignment.
• Monitored and diagnosed system alarms

Confidential, Stewart, GA

Title Signal Support Systems Specialist

• Worked with battlefield Signal support systems and terminal devices.
• Installed, maintained, and troubleshoot Signal support equipment and terminal devices.
• Installed, operated, and maintained designated land mobile radio and data distribution systems.
• Performed signal support functions, for user owned and operated automation and communications equipment.
• Prepared maintenance and supply requests for command level signal support.
• Operated and performed preventive maintenance checks and services on assigned vehicles.
• Lead and Managed technical teams for large and small scale LMR (Land Mobile Radio) projects in Public Safety
• Prepared RF coverage analysis using propagation and design tools.
• Integrated and design systems to support public safety including: mobile radio, digital networks, WLAN systems, microwave, and dispatch centers.
• Installed, operated and performed preventive maintenance checks and services on power generators.
• Supervised installations maintained and troubleshoot signal support systems and terminal devices, including satellite, radio, wire, and battlefield automated systems.
• Provided technical assistance and unit level training for automation, communication, and user owned and operated signal equipment.
• Operated all equipment in the Radio Frequency Microwave Line of Sight transmission platform in a tactical environment.