William Mixon Email and Phone Number

Documentation development and maintenance - implementation procedures; change control documentation, design documents; Standard Operating Procedures (SOPs), etc• Solution testing, validation, implementation and evidence collection• Experience working with operating systems such as Windows, Linux, and Unix in a complex environment• Experience with reviewing, creating and updating technical documentation• Designs and develops integrated solutions to meet business requirements or enhance performance.• Performs and evaluates cost analyses and vendor comparisons of software/hardware systems to ensure cost-effective and efficient operations and measures feasibility of various approaches and makes recommendations.• Analyzes potential systems investments and prepares supporting documentation for recommendation(s) to management and customers based on results of independent assessment of current and future performance, stability, and systems management/life cycle issues.• Provides escalated technical support to customers by handling systems-related issues; may provide on-call technical support telephonically and/or electronically.• Analyzes and resolves program support deficiencies and conducts testing to enhance performance.• Conducts moderately complex projects or phases of significant projects; coordinates the efforts of technical support staff in the performance of assigned projects.• Applies advanced methods, theories and research techniques and assists in the development, implementation and documentation of processes and procedures to ensure compliance with standard business practices. Develops and implements training tools and documentation.• Provides technical consultation on current and proposed systems to other organizations and clients.• Performs repairs, maintenance and upgrades of existing systems using solutions in accordance with standard operating procedures. Investigates and resolves matters of significance.

• Performed as System Administrator to include user workstations and servers utilizing various operating systems and application software. • Install, update and Configure (Red Hat Linux) Oracle Application and Database servers.• Devised three separate Migration Plans to transition from Windows 2000 to Windows 2003; Windows 2003 to Windows 2008; Windows XP to Windows 7. These initiatives were a proactive approach to system upgrades which consisted of detailed planning, setup assessments and deployment to ensure smooth migration.•Devised three separate Migration Plans to transition from Exchange 5.5 to Microsoft Exchange 2003; Exchange 2003 to Exchange 2007; Exchange 2007 to Exchange 2010. These initiatives were a proactive approach to system upgrades which consisted of detailed planning, setup assessments and deployment to ensure smooth migration.• Devised network design strategies to include: DOD DICAP requirements which encompass Active Directory and group policy setup meeting STIG security standards for information assurance processing. • Maintain DOD IAVA/IAVB requirements using various security vulnerability assessment tools to include ISS, Nessus, NMAP and RETINA. This includes eEye’s REM Security Management Console with Centralized Threat and Vulnerability Management with RETINA’s security vulnerability assessment.• Skilled at evaluating, testing, designing, maintaining computing systems, with special emphasis in Microsoft Windows operating system, in a multi-protocol local- and wide-area networking environment.• Proficient in understanding/operating file, print and electronic mail systems, to include hardware modification, software implementation, and local-area network installation, system setup and maintenance.• Over 20 years of experience trouble shooting computers, printers and information systems.• Identify malfunctioning components; install replacement parts and function-check systems for proper operation.

Analyzed information systems to identify vulnerabilities, evaluate risks, and recommended solutions to improve the data’s security, integrity, and availability. • Gained extensive knowledge of U.S. government certification and accreditation processes; system methodologies; software integration; and vulnerability assessment/penetration testing. • Supported Physical Technical Certification Officers by evaluating inspection findings to identify countermeasures and recommended solutions for SCIF environments.

Responsible to Regional ISSO to ensure Information System (IS)security, oversight, and provided guidance regarding IS security requirements/policies.• Proficient with DCID 6/3 certification and accreditation process.• Conducted trusted downloading in support of media/hardware release using GOTS/COTS forensic tools.• Monitored configuration management baseline and conducted weekly security audits.• Assisted in preparation/modification of System Security Plans.Performed administrative functions on MASE Program under Communications’ Directorate in accordance with Security Manual, various DCIDs and Executive Order requirements.• Evaluated, tested, designed, and maintained computing systems, with special emphasis in Microsoft Windows NT, for multi-protocol LAN / WAN environments. • Demonstrated proficiency in understanding/operating file, print and electronic mail systems, to include hardware modifications, software implementations, and LAN installation, systems setup, maintenance. • Utilized extensive knowledge in troubleshooting computers / printers to identify malfunctioning components, install replacement parts, and function-check for proper operation.

Performed administrative functions in support of Naval Research Laboratory programs/personnel.• Proactively devised and deployed successful Windows 2000 migration. • Created network design strategies which included Active Directory setup, standards, and security, with a step-by-step deployment process guide.