Eric S. Email & Phone Number

Strasburg, Va, Us

Strasburg, Va, Us

Manassas, Virginia, United States

Head of IT at Sedna Digital Solutions. Includes the management of all things IT for both unclass and classified environment.Skills include:-In-depth knowledge of Linux and Windows Administration-Hybrid domain environments--Windows Active Directory backbone with Linux clients-Linux scripting languages (Bash, CSH, TSH, python, etc.)-MS365 GCC environments-Policy design and documentation-Personnel management-Tasking-IT security implementation, compliance, and verification (Windows and Linux)-Custom Linux operating system design (ISO creation, customized kickstarts)

Centreville, Virginia, United States

Centreville, Va

-Managed three separate DSS Classified lab accreditations concurrently, under both DSS Certification and Accreditation (C&A) and Risk Management Framework (RMF), which contained a mixed variety of Linux, Windows, Windows Server, and Hyper-V operating systems.-Developed multiple SSPs for submission to DSS, under both C&A and RMF.-Designed, developed, and maintained a suite of diagrams that define the closed areas (network diagrams, space diagrams, rack diagrams, etc.)-Implemented maintenance schedules so that C&A and RMF Continuous Monitoring guidelines can be met.-Regularly interacted with DSS ISSP-Maintained an up-to-date security policy to include implementation of updated security requirements as per DSS and industry security threats.

Centreville, Va

-Lead Sys Admin for Linux systems within company, both in Closed Area and CORP area.-Lead Linux Architect for L3 - Adaptive Methods Network Assimilation task-Investigated / Resolved TIER I, II, and III issues in both Linux and Windows environments, to include SELinux issues, Windows A/D issues, hardware module / driver issues, DNS issues, Network issues (both local and switch level), and Linux SSSD / LDAP issues.-Designed and developed custom tools in Linux to monitor, verify, and implement multiple security settings to meet DSS guidelines using BASH-Implemented Puppet to assist in managing a suite of 200+ Linux Servers. Puppet implementation was customized in accordance with various engineering needs throughout the company.-Implemented Correlog on Windows machines to aggregate Windows Event Logs to centralized Linux log server.-Implemented a 'log filter' configuration in closed area which included custom scripts to parses log files and send results to internal email server.-Built, configured, and hardened customized Linux servers according to Program needs while still meeting DSS hardening requirements utilizing kickstart / anaconda, custom services, first-boot scripts, custom driver installations, etc.-Developed and implemented Windows GPOs to aid in management of windows servers.-Implemented best-practice and DISA recommended security settings on multiple network devices, to include CISCO, SMC, and Netgear (Port security, VLAN configuration, network routing)-Managed multiple software repositories using a variety of Configuration Management tools (SVN, CVS, Mercurial, Nexus, Redmine)-Monitored and addressed any suspicious audit log activity-Proficient in implementing industry best-practices cyber security settings and rules-Proficient in using thirdparty compliance checking tools (i.e. - SCAP)

-Lead Engineer for Beamformer Functional Segment (BFFS) (part of AN-SQQ89 A(V)15 Sonar System) for Improved Performance Sonar System (IPS), Scaled IPS, EC200, EC204, JFMS, SPS-11 / 13, ACB-09 / 11 / 13 / 15 / 17, 19, and LCS VDS-Lead Test and Integration Engineer for all Functional Segments that L3 Adaptive Methods provides in support of the SQQ89 / ACB Program-Lead Engineer for Towed Array Shape Estimation effort for ACB-11 and ACB-13 build cycle, utilizing C and Matlab to implement algorithm into tactical system.-Heavily involved in software lifecycle of SQQ89 software in support of SQS-53C and MFTA acoustic arrays-Responsible for generation and validation of specific SQQ89 System Level test procedures-Participated in many formal US Navy / Government test events (GAT, At-Sea Tests, SQTs, etc.)-Strong background in use of software tools to verify data flow and integrity, and software debugging (i.e. - wireshark, tcpdump, netstat, gdb, etc.)-Regular use of C, C++, Matlab, and Linux scripting for test tool generation and data analysis-Participated in many Working Group meetings in order to assess health and integrity of SQQ89 system, to include issue resolution, system architecture reviews, long-lead system architecture planning, and system safety / security.-Worked regularly with many Small Business partners, Prime Integrator, and US Navy customer to ensure all engineering requirements are met and the system is performing as needed, to include on-site support, phone conferences, and regular email contact.