Patrick Bigos

About Patrick Bigos

An outcome-driven, multidisciplined, Information Technology professional with comprehensive experience in engineering, testing, and administration and support of information systems software, hardware, and networking. In-depth experience in the implementation, orchestration, analysis, optimization, troubleshooting, performance tuning and documentation of server, network and cloud infrastructure. Valued for UNIX, Linux, Windows, virtualization, network monitoring and security, as well as analytical, problem solving, communication and project management skills. Lead and motivate project teams to ensure success. Consistently diagnose complex technical problems and deliver effective solutions on time.• Operating Systems: Red Hat Enterprise Linux (RHEL), Oracle Enterprise Linux (OEL), Amazon Linux, Rocky Linux, CentOS, Fedora, Debian, Ubuntu, SUSE Linux, IBM AIX, Solaris SysV/BSD, HP-UX, Irix, Tru64, Knoppix, UNIX / Linux Distributions, Microsoft Windows Server & Desktop, MS-DOS• OS Installation: HashiCorp Packer, Cloud-Init, Linux Kickstart, Solaris Jumpstart, AIX NIM, Symantec Ghost, SystemImager, Solaris Flash Archive• Patch Management: Red Hat Satellite, Katello & Foreman, Spacewalk, Windows Server Update Services (WSUS)• Configuration Management: Puppet, Ansible, CFEngine, BMC BladeLogic• Cloud Computing: Amazon Web Services (AWS), AWS Elastic Compute Cloud (EC2), EC2 Autoscaling, EC2 Image Builder, AWS Cost Explorer, AWS Route 53, AWS Virtual Private Cloud (VPC), AWS Elastic Load Balancing (ELB), AWS Identity and Access Management (IAM), AWS Key Management Service (KMS), AWS Simple Storage Service (S3), AWS Elastic Block Storage (EBS)• Virtualization: VMware ESX Server, ESXi, vSphere, IBM VIOS• Scripting & Coding: Python, Bash, ksh, csh, sh, Expect (TCL), MS-DOS Batch Scripting, Perl, HTML, Powershell• Network / Protocols / Services: Domain Nam System (DNS), dnsmasq, DHCP, NIS, Apache HTTP, HTTPS, IMAP, POP3, BOOTP, TFTP, LDAP, NetBIOS, NTP, Secure Shell (SSH), Telnet, FTP, SMTP, SNMP, NFS, SMB, TCP/IP, UDP, ICMP, ARP, RARP, IPSec, OSPF, RIP, 802.11, PPTP, L2TP, Token Ring, Mbps Gigabit Ethernet, SONET, SDH, RS-232, Active Directory, Group Policy• Cybersecurity: Wireshark, Snoop, Tcpdump, IP Filter, Squid Proxy, Nmap, Nessus, Snort, NetCat, Kismet, Cain and Abel, John the Ripper, Ettercap, Netstumbler, GFI LANguard, Sam Spade, GPG, PGP, Tripwire, Snare, EtherApe, Arpwatch, Chkrootkit, Cheops-NG, Look@LAN, Helix3, Bastille, TrueCrypt, Microsoft Baseline Security Analyzer (MBSA), Centrify

Experience

1. Sr Principal Systems Administrator

   RTX

   Oct 2023 — Present · Woburn, MA, US

   Led a team of system administrators where we managed Red Hat Enterprise Linux, IBM AIX, Oracle Solaris and Microsoft Windows air-gapped classified computing infrastructure. • Introduced Nagios Core monitoring, providing observability into machine status, performance and capacity. • Modernized and improved RHEL Package Repositories in air-gapped non-internet-connected environments. • Built a RHEL Kickstart infrastructure to automate installation automate security compliance configuration. • Received awards in recognition of rapid resolution of infrastructure outage situations in legacy Unix environments. • Mentored staff and built strong relationships. Besides working so well with the Raytheon system administration staff, I have ensured visibility and approachability for the engineers of the programs we support.

Education

• University of Massachusetts Lowell

  Coursework, Computer Science

• Robert W Traip Academy

  High School Diploma

• University of Maine

  Coursework, Electrical Engineering

• University of New Hampshire

  Coursework, Electrical Engineering

Skills

• Centos
• Nfs
• Dns
• Tru64
• Tcp/Ip
• Troubleshooting
• Virtualization
• Vmware
• Shell Scripting
• Vpn
• Checkpoint
• Sun
• Nagios
• Aix
• High Availability
• Process Improvement
• Network Security
• Smtp
• Nis
• Ftp
• Linux
• Security
• Operating Systems
• Servers
• Rhel
• Irix
• Unix
• Hardware
• Hp-UX
• Disaster Recovery
• Vmware Esx
• System Administration
• Windows
• Sdlc
• Netbackup
• Brocade
• Sendmail
• Testing
• Postfix
• Red Hat Linux