Timothy Johnson
Pasadena,MD
Summary
Proactive IT professional with a robust background in managing, maintaining, and optimizing diverse network infrastructures, seeking a challenging role as a Systems Administrator. Expertise in troubleshooting complex systems and implementing innovative solutions to enhance operational efficiency. Committed to delivering high-quality support and ensuring seamless network performance. Eager to contribute technical skills and strategic insights to drive organizational success.
Overview
22
22
years of professional experience
3
3
Certification
Work History
Principal Computer Systems Analyst
Northrop Grumman - BWI Campus
01.2016 - Current
- Systems administrator responsible for part of the P8 and EA18 manufacturing programs.
- The job involves checking systems against the security guidelines of the Defense Information Systems Agency (DISA STIGs)
- Schedules routine network and systems reviews with the Cyber team, including but not limited to security compliance with the latest Defense Counterintelligence and Security Agency (DCSA)
- Performs quarterly STIGs and scans systems against STIG Benchmark.
- Creates and maintains user accounts, audit, DTA, seal, maintenance logs, etc., etc.
- Ensured system integrity with coordination with the Cyber team and ISSM manager.
- Ensured systems compliance with the latest DISA and other Certification and Accreditation requirements.
- Analyze computer systems and take corrective measures to make sure system security is preserved.
- Supports legacy OS-Windows XP and Windows 10, 11, Windows Server 2016, 2019, and Windows 2022 DC in a mixed network classified environment.
- Maintain work relationship with the cyber team, as well as monthly patching and Symantec Antivirus definition files updates.
- Responsible for government data and devices, including hard drives, which are stored in a GSA storage container.
- Have successfully taken programs through ATO re-accreditations and so far received five ATOs.
PC/Network Tech-3
Northrop Grumman, Elkridge, MD
01.2015 - 01.2016
- Provide technical support to the NGC global network users
- Support includes, but is not limited to, network connectivity, AD account creation- domain, printing problems, Outlook issues, nk2, .pst files
- Imaging new and old machines (laptops and desktops), troubleshooting connectivity issues
- Remote-VPN and other wireless connectivity problems.
- In-house proprietary apps- troubleshooting.
- DNS and web access, HP hardware, Windows 8 Business phones, Apple Tablet, and other BYOD technology.
Information Assurance Analyst
Northrop Grumman, McLean, VA (IS Sector)
07.2012 - 01.2015
- The Cyber Information Assurance Analyst provides on-site accreditation support to DISA’s formal accreditation reviews.
- Reviews all pertinent data repositories (i.e., C&A database, VMS, SNAP, GIAP, eMASS, DITPR) for the current compliance status of each accreditation package.
- Prepares and reviews C&A packages for Authorization To Connect (ATO) and submits circuits DIACAP packages to the Connection Approval Office (CAO) for Authorization To Connect.
PC Network Support 4
Northrop Grumman, McLean, VA (IS Sector)
01.2010 - 06.2012
- Provided Tier 4 user support to the Department of Justice. Responsibilities included:
- Attorney General’s front office and enterprise-wide support
- Created user (Active Directory) accounts, assigned permissions, network file, print, and decommissioned inactive user accounts.
- Imaged desktops and laptops using Symantec Ghost on Dell and HP hardware.
Systems Administrator 2
QinetiQ North America-NA, Springfield, VA
01.2008 - 12.2009
- Supported a small IT environment that was composed of 6 servers, 100 users, workstations, and laptops.
- Daily responsibilities included tape backup using Symantec Backup Exec, MS Exchange server accounts, and providing technical support to Immigration and Customs Enforcement agents (ICE).
- Work site enforcement operations conducted in various parts of the Country, utilizing an Identix TP-300 printer and a law enforcement web-based application.
IT Analyst
Medstar Research Institute, Hyattsville, MD
03.2006 - 11.2007
- Supervised and managed a small-sized Helpdesk operation center which included two junior technical staff, a ticketing system, user accounts, workstations, file and print servers
- Installed applications and monitored network connectivity, Active Directory, and file servers.
- (Medstar Healthcare Systems) Contractor
Technical/Lead Desktop
Ingenium Corp, Upper Marlboro, MD
02.2004 - 03.2006
- Provided customer technical support to The Laurel Regional Hospital, which included user accounts, printing, file and print server, desktops, laptops, and network support.
- Installed and configured Healthcare Information Systems (HIS) apps, which included Softmed, Rumba- Siemens Invision Siemens Pharmacy, Meditech, Novius Radiology (RIS), Dinah, 3M HIS, and Siemens Encoder Interface.
- The Laurel Regional Hospital (Dimensions Healthcare Systems)
Education
BA - Business Administration
Columbia Southern University
01.2017
Skills
- Windows server
- Active directory
- Software installation
- Hardware troubleshooting
- Network monitoring
- Operating systems
- Patch management
- User account management
- Server management
- Network administration
- Wireless networking
Certification
- CompTIA Security+ C794T51K6KEE2R69 (Nov 2021)
- Microsoft Certified Engineer-MCSE ID#1803935 (2004)
- Novell Certified Administrator- NCA ID#9760723 (2004)
Timeline
Principal Computer Systems Analyst
Northrop Grumman - BWI Campus
01.2016 - Current
PC/Network Tech-3
Northrop Grumman, Elkridge, MD
01.2015 - 01.2016
Information Assurance Analyst
Northrop Grumman, McLean, VA (IS Sector)
07.2012 - 01.2015
PC Network Support 4
Northrop Grumman, McLean, VA (IS Sector)
01.2010 - 06.2012
Systems Administrator 2
QinetiQ North America-NA, Springfield, VA
01.2008 - 12.2009
IT Analyst
Medstar Research Institute, Hyattsville, MD
03.2006 - 11.2007
Technical/Lead Desktop
Ingenium Corp, Upper Marlboro, MD
02.2004 - 03.2006
BA - Business Administration
Columbia Southern University