Technical Support System Engineer

Michael Spratt

517-***-**** - *****@*****.***

Network/System Engineer, Programmer, Linux/Unix System Admin, DB Admin, Bash, Python, C

SUMMARY OF QUALIFICATIONS

●25+ years of experience in systems administration, developing, analyzing, installing, maintaining, and repairing hardware, software, peripherals, and networks.

●Superior troubleshooting and technical support abilities with migrations, network connectivity, security and database applications.

●Extensive experience in Linux/Unix, C, network and cluster computing.

●Develops exceptional relationships with team members to accomplish critical customer goals. Excellent communication, problem solving skills, and ability to hit the ground running.

COMPUTER SKILLS

Dev-Ops: Docker, Rancher, Kubernetes K3s, git, jenkins,

Virtualization: vmware, kvm, qemu

Enterprise: db2, oracle, aix, bsd(solaris), sparc, risc, zlinux, HPUX, Microfocus, BTCH, CICS, Zena,

Database: MySQL, MariaDB, db2, oracle, postgres, SQL, berkleyDB, rrd, influxDB, flat file DB

Linux/Unix: HPC MPI, openMPI, Apache, Guak, NGNX, Syslog, Bash, Shell Scripting, Firewalls, IP, IPF, IPFW, IPTABLES, PF, Backups, tcpdump, snort, Asterisk, Squid, RRD, Cacti, nagios, nagvis, sed, awk, grep, file redirection, error redirection, SYSLOG, SYSLOGD, LDAP, RADIUS, CentOS, FreeBSD, Solaris, Open Source, GNU, SNMP/SNMPD, SNMPGET, SNMPWALK

oWritten loadable modules for Linux/Unix Kernel, Apache (web server), Snort (IDS intrusion detection), iptables (Linux firewall), PF (packet filter)

oWritten Loadable Kernel Module for Linux (Crypto)

oImplemented Linux Cryptographic API, encrypted files, modules, IPSEC Trusted and Encrypted Keys

oHardware support for cryptographic accelerator cards and NICs with IPSec offload

oLinux Device Driver/Module for hardware control and system call modification or addition.

Coding: PHP, Python, C, JavaScript, Perl, regex, C++, JAVA, HTML5, bash/shell scripting, multi-threading, sdl cross-platform, git/cvs/svn, socket, vi/m, regex, compilers, dll, system library, SYSLOG, error LOG LEVEL,

Networking: TCP/IPv4/6, OSI, DOD, BDP, MSS, MTU, DATAGRAM, dual-stack, Security/Firewall, Ethernet, MAC, Spanning Tree, SNMP, DHCP routing, fiber, sm, mm, splicing, VOIP, SSH, CISCO, Juniper, Mikrotik, APC, Linux/Unix, SNMPD, APC Syslog/card configuration (requires BOOTP), CISCO Syslog WAN

ofirewall (linux) iptables, netfilter, advanced routing multiple routing tables, sourced based routing

PROFESSIONAL EXPERIENCE

quadtek – advanced linux admin for att/uscourts dns/email Jun-Nov 2023 (c2c)

graphana monitoring setup from base

bash – wrote universal data ingestor and visualization queries for

grafana, influxdb, bash “universal ingestor”, grafana “universal queries” (influxdb)

syslog, auditd, debian, monitored email, dns logs, ingested data for visualization, etc

created wiki, documented all, created cgi web tools for dns

troublshooting dns, and email issues, postfix, dovecot, bind, dig, bash,

Onward Tek – (MSP)cybersecurity systems eng Dec 01 – Feb 13 2023 (c2c)

implimented CAPE/Cuckoo malware analysis

completed customer consultation and discovery or remediation followup

Used wireshare to generate pcaps, snort to scan or attack patterns

Implimented Docker/Rancher on K3s, for fault tolerant container and cluster mgmt

Deployed Various container images on docker rancher

Developed Nagios XI docker container image for customer

Wrote various scripts, bash, powershell, ssh keys, remote access

vnp configuration

answernet – (MSP)system admin/eng eng June – Aug 2022

wrote automation scripts to alert to teams chat

wrote scripts control and query cisco switches using bash and expect

provided level 2 customer support

prtg network monitoring

Linux System Admin for DXC ( CCI contract) 9/3/19 – 1/19/2022

Stabalized zlinux btch and online processing environment

Allocated resources, prevented proesssing faults, provided technical support to maintain business SLA’s for processing.

MET life provides insurance services via IBM node, webshpere, microfocus,

Installed ES. Server/Developer 6.0, db2, oracle, zena, jenkins, git, on zlinux OS SUSE 13

Maintained codebase on github upgraded application from 32 to 64 bit operating mode/ compile “cobol”

Patch for log4j etc security response.

Maintained, configured NagiosXI monitoring for wintel/linux servers and switches.

Provided a stable running environment, conducted back ups, and security audits etc.

IBM-z13 LPAR management, provided maximum performance for nonSLA comput jobs, while maintaining dedicated capacity or SLA based compute nodes. (Docker/Kubernet for ESMF)

Unix/linux C Programmer blue cross blue shield ( technosoft contract) Mar 2019 – Jul 2019

Converted 1200 C programs from AIX to run on red hat

Re-validated c-code, made corrections, regression testing

Trained 3 jr programmers to code in c and make corrections.

Network Engineer, Programmer, Linux/Unix System Administrator

MIT/USW – Mar 2005 – 2017

Modified and implemented Linux TPROXY kernel module for use with Scalable SQUID Proxy, using CISCO 3750 / IP-Divert for load balance, w CISCO-WCCP, fully transparent proxy using t-proxy redirect, and fully transparent tcp proxy written in python, and then rewritten in C, run on HA Linux

Designed/Built Scalable HA Linux cluster for Asterisk IP PBX, using IBM Blade – CentOS, with least call billing module for asterisk in C. HA – Heartbeet- load balancer, for failover IP, MySQL 1GBPS backplane for DB

Integrated BIND DLZ / Berkley DB, to create DNS blocking for virus, fishing, malware etc.

Modified Linux userland programs ping(BSD), curl, wget, output detailed reports MySQL for performance data, multi-threaded poller, rrd1second output, graphing, custom rrd database creation

Wrote multi-threaded NMS, using php, html, Ajax, MySQL, snmpwalk, snmpget, RRD, bash, bash based poller

Nagios, Nagivs Installed, wrote scripts to generate configuration scripts from inventory database.

Created multiple sat-com teleports in mid-east for 4.7 Meter tracking batwing, inclined orbit C band, KU band, 40 WBUC uplink, completed build-out and alignment, commissioned with satcom controller. Implemented Microwave and radar filtration to eliminate radar interference on base.

Installed IP encryption and acceleration equipment in remote side terrestrial NOC location provider

Wrote hundreds of scripts and programs for various purposes in network environment, c / php / python/ Perl, bash

Continually updated PCI compliance security requirements to patch systems to be PCI compliant,

Created custom SNMP MIB to expose application information and for application monitoring

Tune Linux via /proc to 1 second SNMP update via /proc variables for 1 second graphing

Identify common problems for SNMP query / response and graphing/visualization via RRD, or WebGL

Modified Syslog to write to MYSQL database so that it was easy to access the information with web applications

Setup and secured Syslog server (Linux), enabled network access, created firewall for security to Syslog server

Configured Syslog server in Linux detailed configuration

Configure Linux host SNMPD.conf to exposing system to be monitored by NMS, resource monitoring graphing disk usage, ram usage, processor usage, TCP connections, etc. Also configure host to use central Syslog server to push messages to appropriate Syslog server and errorLevel

Wrote scripts to automate the configuration of CISCO, TFTPD configuration, and for updates etc.

Wrote hundreds of scripts and programs for various purposes in network environment, c / PHP / python/ Perl, bash

Network Engineer

Army National Guard 119th FA BN - Albion, MI Sep 2003 – Feb 2006

Programmed custom Iptables load balancing/nat for traffic distribution over disparate Satellite networks.

Assisted military with Solaris network config for HPC environment.

Deployed 15 months OIF III Army National Guard Assigned to 306MP BN.

Project Planning/Management using PM. software using a development lifecycle.

Deployed redundant high-speed fiber optic and wireless links between remote offices

Cisco CNA (Cisco Network Assistant) to monitor cisco backbone, and main level routers

Solar Winds monitoring

Nagios, used Nagios to monitor server rack with visual alarm indicators for error events, configured monitoring of core network services like DNS, http, and pings to gain network insight for analysis

Used Ethereal/Wireshark tcpdump, to analyze packet level Data

Implemented VOIP and Multicast technologies.

Programmed Packet Filters, DLL/IIS, ISA/DLL/C++. CISCO, UNIX, LINUX, Windows ISA,

Used Wireless Technologies RedLine, Proxim, Motorola Canopy. For backhaul applications p2p

802.11 Wireless A/B, packet level understanding, basic wireless principals, refraction, reflection, polarization

Computer/Mainframe Operator

The Book House - Jonesville, MI Mar 2002 – Aug 2003

Run Daily COBOL job streams on Unisys mainframe computer.

Documented job stream and procedures

Network Administrator

Rose City Motors - Jackson, MI Jan 2000 – Feb 2002

Secured radio networks with free Linux VPN (encrypted) servers/routers, loaded modules

Implemented VPN and digital certificate technologies for secure remote access to the network.

Created custom web/data based applications for internal company use. Windows 2000 Server, ISA, ODBC

During 911, they continued to business through the online credit app I created, even when other sales dropped

Assistant Network Administrator

United Bank & Trust - Tecumseh, MI Apr 1999 – Jan 2000

Maintained and updated 750 + workstations at 16 WAN sights.

Administration tasks in Win NT 4.0, Novell, and Exchange, loaded Novell Modules for network.

Platform Deployment and Rollout

ODBC Data connector configuration

EDUCATION

Lansing Community College

Computer and Information Sciences and Support Services

Some courses completed

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