Sean Healy's Email Addresses & Phone Numbers

Managing Partner @ Customer First Consulting, LLC •Advising businesses on formation of sound security policy, vulnerability assessments, certification and accreditaion utilizing DIACAP methodology. From July 2010 to June 2011 (1 year) USAIS Security Officer @ SAIC Accomplished vulnerability assessment of enterprisewide network and host components including Unix and MS Windows server platforms. From January 2006 to November...

Managing Partner @ Customer First Consulting, LLC •Advising businesses on formation of sound security policy, vulnerability assessments, certification and accreditaion utilizing DIACAP methodology. From July 2010 to June 2011 (1 year) USAIS Security Officer @ SAIC Accomplished vulnerability assessment of enterprisewide network and host components including Unix and MS Windows server platforms. From January 2006 to November 2010 (4 years 11 months) Sr. Network Engineer @ Greenwich Technology Partners From 2002 to 2003 (1 year) Sr. Network Consultant @ International Network Services From March 1998 to August 2001 (3 years 6 months) Senior Associate Engineer @ IBM Global Services •Provided programming, telecommunications, LAN and workstation support for over 38,000 clients at nine remote locations throughout the Eastern United States. From September 1982 to June 1993 (10 years 10 months) EMT @ United States Air Force From 1976 to 1980 (4 years) Cybersecurity Risk Assessment Engineer @ Decisive Analytics Corporation • Responsible for synthesizing inputs from multiple sources and formulating an overall Risk Assessment Report for presentation in support of MDA Security Control Assessor and final submission for AO.• Provide comprehensive cyber risk evaluation while leveraging a vast array of system assessmentcompilations (ACAS, RMF controls, Nessus scans, existing mitigations, IAVA/STIG mitigations status and associated forecasts spanning multiple HW and SW platforms to facilitate sound MDA AO decision.• Evaluates validity of proposed risk assessment from MDA enclave system owners.•Initiates and completes IV&V process for Package Approval Chain for comprehensive risk assessment.•Works with Controls Validation Test (CVT) Assessors, Software Assurance Assessors, Cyber Range Operational Test and Evaluation Assessors, and the Cybersecurity Training Education and Leadership Development team to complete contract deliverables while establishing government priorities.•Assess risk for test events where several systems/components become connected for the purpose of executing test missions and multi-disciplinary interoperability for a suite of MDA systems. Colorado Springs, Colorado AreaCybersecurity Consultant @ Barnett Engineering and Signaling Corporation •IT environmental management and transformation of SPACE IT missions to provide more secure, hardened and resilient infrastructure solutions architecture in support their respective missions.•Member of cybersecurity Team of SMEs focused on Risk Management Framework (RMF) transition,development, and innovation from DIACAP C&A for overall transition management to RMF.•Leveraged NIST 800.53 development for Impact Assessment, Compliance Assessment, Authorization Boundary Drawings, Ports/Protocols and Services Matrix analysis and recommendations for applications.•Provided technical leadership for implementation, assessment and authorization methodologies.•Provided cybersecurity specific input for presentation for a suite of AIR Force Space Command projects.•Development of innovative ideas for DIACAP roadmap transition to RMF overlays, controls and POA&Ms. From October 2016 to June 2018 (1 year 9 months) Colorado Springs, Colorado AreaIS Cyber Security Architect @ Hewlett Packard Enterprise US Public Sector Cybersecurity Solutions Group/Engineering & Architecture, IS Cybersecurity Architect•Member of architecture Team comprised of cadre of senior-level technology and security experts focused on developing innovative and repeatable solutions for innovative Cybersecurity delivery.•Championed helping customers manage and transform their IT environments to provide more secure, hardened and resilient infrastructure solutions that support their respective mission.•Validation of IS operational architecture to meet specific technical requirements and specifications.•Applied advanced knowledge to complex business issues for development of new ideas and methods.•Exercises significant independent judgment within broadly defined policies for achieving business objectives.•Utilized presentation tools to persuasively communicate complex messages to multiple audience levels.•Contribute to the development of innovative principles and ideas. Provide highly innovative solutions.Results: Developed Continuous Diagnostics and Mitigation solution for clients. From December 2014 to October 2016 (1 year 11 months) USAInformation Assurance Engineer @ Davidson Technologies •Provide 24/7 monitoring of systems, servers, infrastructure, and software, to include firewalls, proxy servers, and intrusion detection systems for detection and mitigation of infrastructure threats.•Analyze system logs and firewall logs and IDS/IPS alarms using ArcSight for low level analysis.•Executed robust alarm and event isolation techniques to implement event mitigation for security threats.•Provided analysis and developed reporting metrics standards supporting findings and mitigation actions.•Accomplish technical leadership for incident response and resolution team in a technical, hands-on role.•Performed detailed investigations, response, resolution identification, and root cause analysis .•Review and recommend the installation, modification or replacement of hardware or software components and any configuration changes that provide an improved operational security posture.•Provided senior management with recommendations for additional controls to prevent future incidents.•Support of other ‘virtual’ teams by responding to requests for problem clarification and assisting with specific project requirements definition for Network Defenders, Network Systems Management, Long-haul Systems Management, and Computer Systems Operators.•Monitored information security intelligence threats , relevant events, and all related developments. From June 2011 to November 2014 (3 years 6 months) Colorado Springs, Colorado AreaSr. Network Analyst - Team Lead @ Northrop Grumman Corporation •Senior network analyst providing robust troubleshooting for routers, switches, circuits and crypto support.•Integration and test of SW and HW components to maximize network availability for MDA mission. From 2002 to 2005 (3 years) Technical Sales Consultant @ Hewlett-Packard • Engineered PC, Server, Enterprise Virtual Array, Storage Area Network , LAN/WAN solutions for large enterprise customers including RSA Security, Veritas, Concentra Healthcare, and Haliburton.Researched and delivered extremely aggressive discounts far exceeding resellers and client’s expectations.Results: Maximized client’s IT infrastructure budget and providing competitively priced, best of breed IT solutions end to end ahead of schedule and below budget for clients. From October 2002 to May 2003 (8 months) Colorado Springs, ColoradoSenior Staff Specialist III @ MCI • MCI Teletype relay system redesign for the deaf integration for 43 nodes and 129 T1 circuits.• Six million dollar NASDAQ backbone redesign effort and Customer Service Center build.Results: Director’s Award for project completion ahead of schedule and very high customer satisfaction. From July 1993 to March 1998 (4 years 9 months)