Senior Linux and Cybersecurity Systems Engineer

GRANT LOWE

Linux/Cybersecurity Engineer

P. O. Box 23683, San Diego, CA, 92193

*******@*****.*** 858-***-****

PROFESSIONAL SUMMARY:

Experienced system and cybersecurity engineer with adjudicated TS clearance, offering diverse skills in client- server, heterogeneous, and distributed-processing environments.

• Proven responsibility with enterprise systems such as Fidelis, Fluency, Corelight, Trellix/FireEye, Endace, Broadcom and various flavors of Linux and Windows computers.

• Successful team-player, in high-energy, detail-oriented, and high-profile work environments meeting SLA requirements of a high-performance computing environment.

• Demonstrated ability in solving complex and detailed problems. TECHNICAL SUMMARY:

Linux, RHEL, SUSE, Ubuntu, CentOS, Solaris, OpenSolaris, HP-UX, *BSD, EMC, HDS, CFEngine, SAN, RAID, ZFS, ssh, DNS, NFS, TCP/IP, automounter, Apache, Windows 10/11, Macintosh, Microsoft Office, capacity planning, performance monitoring and tuning, nagios, storage virtualization, NetBackup, VxFS, VxVM, LVM, sar, bash, ksh, scp, sftp, ntp/chrony, syslog, tripwire, nmap, java, SOX, PCI, samba, Network Appliance, SNARE, packet filtering, Nessus, security, STIG, NISPOM, virtual machines, VMWare, Vsphere, ESX(i), Nexenta, Microsoft Domain Administrator, Cloud (public and private), IAT Level II Certified, Security+ and Linux+ certified. PROFESSIONAL EXPERIENCE

ASRC/Bowhead 2018-Present

Senior System Administrator /Subject Matter Expert

• As deputy lead of engineering team, engineer products to detect and isolate malware attempting to infiltrate Department of Defense networks and systems (IPv4 and IPv6).

• Responsible for maintaining heterogeneous hardware environment performing and developing diverse security solutions, for hosts such as endpoint security, malware detection, full packet capture solutions, etc.

• Conduct security audits of commercial-off-the-shelf (COTS) software to remediate and mitigate potential system and application software vulnerabilities, including implementing STIG rules and requirements.

• Install and evaluate new software releases, resolve and report software and related problems to software provider while performing system tuning and hardening to meet the needs of the enterprise.

• Evaluate hardware and software to meet the needs of the enterprise, engineer hardware and software to develop and validate feasibility while drafting and maintaining system documentation.

• Provide technical guidance, recommendations, and resolutions to engineering peers and operations teams.

Contract Linux Administrator 2018

Humana

• Work with software engineers to re-architect linux servers in production, release, and other environments.

• Document new servers with such tools as Word, Excel, and Powerpoint.

• Advise engineers with various and new ways to optimize performance on linux servers. Senior Engineer/Administrator 2017-2018

Solute

• Design, build out, and test new system architecture solutions using VMWare, Red Hat Linux, and Windows servers.

• As needed, work on-site with different customers to provide linux system expertise.

• engineers developing/updating CANES/COMPOSE training and installation environments.

• Setup/configure/test new network environments in SOLUTE lab. Global Support Engineer II 2016-2017

Verimatrix

• Build, customize, and maintain/patch enterprise-level virtualization platforms on VMWare 6 and Red Hat Enterprise Linux (RHEL) 6 and 7 servers. Servers included not only application, but also Oracle database servers. Used such tools as bash, kickstart and puppet.

• Help customers identify key metrics, create models, identify real-time and predictive analytic trends, and assist customers to make strategic media decisions from their large-scale datasets.

• Met and exceeded service-level agreements (SLAs) for foreign and domestic customers. These customers numbered in the hundreds of millions, and are spread out over 90+ countries.

• Provide proof-of-concept of OpenStack software, that led to a department-wide standard for open- source software as well as virtualization for technical support engineering. NCE Computer Group 2015-2016

Senior Technical Support Engineer

• Built and upgraded RHEL and CentOS 7 servers for VPN and testbed servers.

• Provided remote software and hardware support, guidance, and assistance to junior technical support engineers (JTSEs) in various flavors of linux and hardware vendors, such as HP, Dell, EMC, NetApp, etc.

• Supplied first, second, and third-level telephone Technical Support wherever required.

• Documented procedures for peers as well as Field Service Engineers. Qualcomm 2014

Contract Senior IT Administrator

• Design and support of the IT infrastructure associated with build tools, such as compilers, web servers, databases, and revision control on Linux (mainly Ubuntu, but some RHEL) and Microsoft computers.

• Coordinate day-to-day events within multiple global sites, as well as providing escalation support via a ticketing system, telephone calls, direct emails, etc.

• Troubleshoot and optimize software builds running through centralized build server infrastructure.

• Support software engineers in their software development. The languages included C++, java, and others.

Teradata 2013-2014

Contract System Engineer

• Provide support for all generations of Teradata data warehouse hardware (EMC, NetApp, etc.) and software (such as backups and database) from pre-release through end of life (including upgrades, patching, etc.).

• Collaborate with design engineers in the introduction of new Teradata hardware platforms into the Teradata Labs test environment. Detail platforms with Visio drawings.

• Set-up/installation of new Teradata data warehouse nodes (running SUSE Linux).

• Reconfiguration and tuning/troubleshooting and debugging of Teradata data warehouse hardware and software (for such things as performance tuning, backups, networking, etc.). Quickplay Media 2013

Contract System and Storage Engineer

• Use knowledge of SAN/NAS design, implementation and administration, clustering, replication, high availability, and multipathing operations, with focus on network storage appliances, to consolidate company SAN/NAS, protecting the company from downtime and service interruption.

• Work with VMware vCenter Server and vSphere Client to manage Red Hat Enterprise Linux (RHEL) 5 and 6 and VMWare ESX clients.

• Install, configure, and maintain up.time software to monitor system and service performance and operations.

Sony 2012-2013

Contract UNIX Administrator

• Work as part of system administration team to build, monitor, and patch or fix as necessary approximately 3000 RHEL and CentOS 5 and 6 servers. Use such tools as CFEngine to push out software changes.

• Install, migrate, and manage virtual machines using Xen.

• Engage system developers to test and deploy new software and mitigate existing software vulnerabilities.

• Act as liaison between various in-house organizations for hardware and software needs.

• Serve as engineer for hardware and software installation, upgrades and troubleshooting in remote cloud.

Slacker 2011-2012

Linux System Administrator (DevOps)

• Build and install new Red Hat and CentOS computers for internal engineering personnel and external customers. Installations included OS customization and building/installing and patching applications such as Apache, Apache-Tomcat, MySQL, and java. Used Subversion (SVN) for version control and syslog for troubleshooting.

• Monitor and maintain as necessary, computer, firewall, and load-balancer such metrics as: performance, uptime, and reliability. Used such tools as nagios, collectd, iptables, CFEngine, and other system and network utilities.

• Perform monthly security scans to ensure systems, network, and services met security standards.

• Backup computer system and application data using NetBackup. Napster 2009-2011

System and Storage Engineer (DevOps)

• Perform operating system upgrades, capacity planning, and performance analysis as it relates to day- to-day operations. Provide Visio documentation as needed for reference.

• Design and provision SAN disks using appropriate RAID configurations on disk arrays.

• Work with database administrators to design, build, deploy and license new database servers as well as maintain existing database infrastructure.

• Install and maintain VMWare guests CentOS and Fedora Core linux for development and QA environments, eliminating the need for 100+ physical machines and saving the company $5000 a month on utility bills.

• Used kickstart to bring new systems online and CFEngine for CM. Used bash for shell scripting.

• Support engineers developing Apache and Tomcat applications in local and remote clouds. EDUCATION:

Bachelor of Arts, Communications/Visual Arts, University of California, San Diego CLEARANCE

Clearance: Top Secret – adjudicated by DODCAF – JPAS verified.

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