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Systems, Cyber, Network and Linux Engineer

Brookline, New Hampshire, United States
March 26, 2019

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John Cockerham

Brookline, New Hampshire *****

603-***-**** •

TS/SCI w/Poly – SSBI-PR November 2018 (current)

Senior Systems Engineer

Multifaceted technical career with 15+-year track record of innovation and success

Technically sophisticated, results-driven engineering team leader with solid history of award-winning work in cybersecurity, network architecture, systems design and data processing. Broad knowledge enabling cutting edge achievements in Linux-based systems and other network environments. Dynamic and skilled project leader and mentor; able to direct multiple tasks effectively and readily master innovative software and tools.

Project Scope, Definition, Design, Execution & Risk Management / Troubleshooting & Issue Resolution / Project Management / Cyber Solutions / Training & Development / Systems Engineering / Linux-based Systems



Linux, Unix, Solaris, HPUX, Windows NT/2000/XP/2003/2007/2010/2016, VAX/VMS, CheckPoint Firewall, MATLAB Cluster, VMWare vSphere 5.5 & 6.0, Nokia 2/3G PLMN, Multiple RADAR/IADS Systems, Oracle RDBMS, EMC Clariion, EMC Connectrix, EMC Symmetrix, Veritas Cluster


CheckPoint Firewall, Load Balancers, Network File System (NFS), Cisco Routers/Switches, Cisco Firewalls, Content Switches, Domain Name Service (DNS), PIX Firewalls, Veritas VxFS, Network Attached Storage (NAS), Storage Attached Networks (SAN), Virtual Private Networks (VPN), L2/L3 Switching, Public Key Infrastructure (PKI), Cisco CCNA/Cisco CCNP

Additional Skills:

SQL Server, IBM Rational DOORS, System Pen Testing and Hardening, Cyber Offense and Defense, BASH Shell Programming, DSP Processing, Digital Video Broadcast (DVB), Satellite Comms, RF Communications, CFEngine-based Configuration Control


Senior Principal Systems Engineer II (2004 – Present) BAE Systems, Merrimack, NH

Scope: Systems & Network Architect for computer and network security, video surveillance, satellite and wide band communications, and Wifi solutions.

Team leader for Engineering Group with 5-9 direct reports, heading projects ranging from $5 to $35 million. Concentrate on safety and security for robust modular Linux-based systems to protect against computer network attacks, malware, etc. Direct assessment of proprietary systems for security weakness and vulnerabilities. Manage requirement definition, tracing (DOORS), engineering trades, physical/functional decomposition, and risk management for projects exceeding $15 million.

Key Achievements:

Awarded $2.8 million follow-on work from configuration of CNA/CNO/CNP cyber solutions.

Analyzed, identified, and eliminated potential cyber vulnerabilities in BAE Systems avionics products, developed optimized techniques to secure weakness on 2.5/3G/4G GSM networks.

Planned and successfully completed 12 classified open-air systems tests over two years by designing Linux-based software/hardware in the loop (SIL/HIL) infrastructure to boost test productivity by 300%.

Spearheaded development of fully capable 2.5G/3G/4G cellular test bed enabling company to bid for and win $4.5 million contract in new technology area.

Mentored and created training modules for new engineers on more sophisticated components of complex proprietary systems and specific areas to monitor during testing.

Senior Network Engineer (2002 – 2004) Aventis Corporation, Round Rock, TX

Scope: Lead engineer for implementation of HIPPA compliant security across Solaris, Linux, AIX, and MS 2000 operating systems.

Managed 8-member IT team and tasked with improving system and network security.

Key Achievements:

Initiated Network Profiling and System Security practices to expand system availability by 25% with new enterprise application monitoring, intrusion detection, and increasingly sensitive additional network profiling,

Designed VPNs to allow remoter access while maintaining security protocols.

Reduced IT and security costs by $450,000/year by shrinking enterprise footprint and migrating infrastructure system to new Data Center.

Managed and directed all phases of product qualification and problem report tracking.

Principal Systems Engineer (2001 – 2002) Lockheed Martin, Clarksburg, WV

Scope: Direct 6-member team designing security appliances for FBI AFIS and NICS systems.

Completed installation of new security appliances in Unix-based firewalls and switched backbone, routers, intrusion detection, and management subsystems. Mentored Operations team to administer, detect intrusions, and maintain site security. Steered all aspects of network configuration, security and adjudication for mission critical system. Oversaw system migration of COTS and custom software from HPUX 10.20 to 11i.

Key Achievements:

Reduced operations and maintenance technician training time 30% by creating comprehensive documentation detailing design, implementation, and troubleshooting of network security systems.

Conducted Security Risk and Architectural Analysis studies to identify areas for improvement across all systems and networks.


Network Architect, Exodus Communications, Round Rock, TX

Senior Security Analyst, Raytheon Corporation, Great Falls, MT

Systems Engineer, GTE Government Systems, Feltwell, UK

Military Service, US Air Force, Telecommunications Maintenance Specialist


Master of Science in Systems Engineering

John Hopkins University, Baltimore, Maryland

Bachelor of Science, Computer Science

University of Maryland, Baltimore, Maryland

Professional Organization

Association of Old Crows (DoD EW Community)

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