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Greg Cline Email & Phone Number

Senior Development System Administrator at Northrop Grumman Corporation at Northrop Grumman
Location: Denver Metropolitan Area, United States 11 work roles 2 schools
1 work email found @ngc.com LinkedIn matched
✓ Verified July 2026 4 data sources Profile completeness 100%

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Current company
Role
Senior Development System Administrator at Northrop Grumman Corporation
Location
Denver Metropolitan Area, United States

Who is Greg Cline? Overview

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Quick answer

Greg Cline is listed as Senior Development System Administrator at Northrop Grumman Corporation at Northrop Grumman, based in Denver Metropolitan Area, United States. AeroLeads shows a work email signal at ngc.com and a matched LinkedIn profile for Greg Cline.

Greg Cline previously worked as Senior System Administrator at Northrop Grumman and System Administrator at Northrop Grumman. Greg Cline holds Information Technology from Community College Of The Air Force.

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Email format at Northrop Grumman

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{first}.{last}@ngc.com
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Profile bio

About Greg Cline

I develop and maintain extremely complicated systems that often require innovative solutions and extra effort, with very little direction from others. I am recognized for my skills and my willingness to help others succeed. I maintain a positive attitude in all I do and with all my peers.

Listed skills include Network Administration, Firewalls, Troubleshooting, Microsoft Exchange, and 46 others.

Current workplace

Greg Cline's current company

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Northrop Grumman
Northrop Grumman
Senior Development System Administrator at Northrop Grumman Corporation
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11 roles

Greg Cline work experience

A career timeline built from the work history available for this profile.

Senior System Administrator

Current

Falls Church, Va, Us

-Manage project development, design, and execution of software products, updates, and maintenance.-Administer tier 2/3 technical support for multi-platform high availability production systems, spanning test, unclassified, and classified local and remote networks with Windows 2016, RHEL 7/8, and AIX 7.-Provide LogRhythm support for test and production environments and provide conduit for tier 4 support. -Mentor and develop team, build relationships with support teams and partner companies.

Jan 2022 - Present

System Administrator

Falls Church, Va, Us

-Perform level 2 support including system configuration, setup, and baseline configuration changes for mobile DoD environment on Windows Server 2016, RHEL7, and SUSE Linux.-Created reference material and standard operating procedures for project maintenance. -Supported hazard testing, documented shortfalls, recovered and upgraded to meet customer requirements.-Integrated software and hardware from Lockheed Martin and Raytheon, and coordinated fix actions.

Aug 2020 - Jan 2022

Product Trainer

Falls Church, Va, Us

-Developed coursework in the Instructional Systems Development (ISD) framework for analyzing, designing, developing, implementing, and evaluation (ADDIE) learning systems.-Created technical drawings to clarify complicated engineering systems and concepts.-Student Centered Learning (SCL) Subject Matter Expert (SME).-Liaison to the System Administrator team, communicated capabilities and shortfalls of technical systems.

Oct 2019 - Aug 2020

Cyber Systems Engineer

Falls Church, Va, Us

-Lead a team of 12 technicians, provide tier 2 support to multiple high reliability programs and networks. -Designed network maps, standard operating procedures, and visual aids. -Briefed team members, management, and customers, followed up with documentation.-Created training program, reference material, and mentored personnel into trainers.-Trained new team members resulting in faster and greater trainee competency. -Managed accounts and computers in Linux/Red Hat and Windows environments.-Monitor thousands of nodes, virtual and physical, with in-house and COTS software.-Tracked issues and coordinate fix actions using multiple ticketing systems.

Oct 2016 - Oct 2019

Hardware Engineer

Falls Church, Va, Us

-Troubleshoot issues on Red Hat, UNIX, SGI, Windows and Sun servers and workstations.-Maintain and perform configuration updates on firewalls, routers, and switches.-Install drivers and peripherals, and update software on workstations and servers.-Maintain and restore communications circuits for on and offsite destinations.-Monitor, troubleshoot, and maintain VoIP, STU, STE, and IST phones.-Brief daily status updates to affected personnel and managers, and coordinate downtime.-Document all troubleshooting and maintenance actions using Remedy and master station logs.-Create and refine procedures for mission essential tasks and develop best practices.-Run, terminate, and test Cat5 and fiber cables for new assets and asset relocation.-Coordinate keying material changes on cryptographic items, and maintain COMSEC logs.-Isolated hardware failures and initiate parts replacements and installations.-Created network maps for over 50 network circuit paths using Microsoft Visio.-Monitor network activity using HP OpenView (BTO), WhatsUp Gold, and Wireshark.-Trained new personnel, ensuring they could properly handle 80% of calls by the end of day one.-Quick thinking and direction during a transformer failure directly led to the site maintaining the mission without interruption. I was recognized by the customer for “Outstanding Customer Support.”

Aug 2007 - Oct 2016

Senior Network Security Manager

Randolph Afb, Tx, Us

-Managed 3 personnel, provided information protection for 6500 users.-Maintained 5 Symantec Antivirus servers, and managed 4675 PCs.-Tracked and reported security compliance, installed security updates, patches, and hot fixes.-Provide customers network and computer security education.-Prepared base for Network Vulnerability Assessment; the average time for the team to penetrate the network was 3 hours; Beale team denied access for 1.5 days until we gave them an admin account to run security scans. Beale best in Air Combat Command.

Aug 2006 - Aug 2007

Senior Helpdesk Manager

Randolph Afb, Tx, Us

-Managed 6 personnel in problem resolution center. Responsible for scheduling 20 personnel on 3 shifts.-Provided Active Directory and NetIQ DRA Tier 3 level support for 7,000+ users.-Reduced average call fix time and the number of tickets going to specific area support by 50%.-Upgraded and repaired Windows workstations. Performed hardware/software replacement/installation.-Troubleshot and repaired network problems on network interface cards, routers, switches and hubs.-Maintained trouble ticket database for tracking network service interruptions and computer user problems.-Administered and monitored classified and unclassified network services including electronic mail, web, printing, file sharing, storage and remote access.

Aug 2005 - Aug 2006

Senior Messaging Manager

Randolph Afb, Tx, Us

-Managed 5 personnel, conducted training, and provided evaluations. -Maintained 14 Microsoft Exchange servers, and a BlackBerry Enterprise server.-Updated servers and client systems with latest virus protection, system patches and security updates. -Led migration from WinNT to Active Directory, 7000 users and 8000 mail accounts in one weekend.-Revised procedures, reduced critical message notification times by 30%.-Trained personnel in Helpdesk policies and procedures to allow the active helpdesk to eliminate their night shift. This freed up 5 manning slots.

Aug 2002 - Aug 2005

Plans And Program Management

Randolph Afb, Tx, Us

-Created Visio diagrams for $3Million communications installation in new battle staff bldg.-Accomplished Site Surveys for cryptographic/router needs assessments and installation.-Stood up SIPR network management dept. Created new policies and procedures.-Records management skills identified as strength in Unit Compliance Inspection.

Aug 2001 - Aug 2002

Defense Messaging/Exchange Administrator

Randolph Afb, Tx, Us

-Installed, configured, and maintained the Defense Messaging System (DMS) and Exchange servers.-Responsible for being the first base in the Air Force to be DMS capable, months ahead of counterparts.-Expedited accreditation for DMS SIPRNet/NIPRNet communications lines by 3 months.-Crucial to the Mobile Initial Communications Kit (MICK) Team being the first unit to ever pass the Inspector General Exercise and for the entire six man team being selected as exceptional performers.

Aug 2000 - Aug 2001

Communications-Computer System Operator

Randolph Afb, Tx, Us

-Revamped training guides resulting in faster and greater trainee competency.-Skilled in satellite, radio, telephone/switchboard communications outside of career field.-Ensured delivery of hard copy classified message traffic to over 50 base units.

Aug 1997 - Aug 2000
2 education records

Greg Cline education

Information Technology

Community College Of The Air Force

High School Diploma

Bradshaw Mountain High School
FAQ

Frequently asked questions about Greg Cline

Quick answers generated from the profile data available on this page.

What company does Greg Cline work for?

Greg Cline works for Northrop Grumman.

What is Greg Cline's role at Northrop Grumman?

Greg Cline is listed as Senior Development System Administrator at Northrop Grumman Corporation at Northrop Grumman.

What is Greg Cline's email address?

AeroLeads has found 1 work email signal at @ngc.com for Greg Cline at Northrop Grumman.

Where is Greg Cline based?

Greg Cline is based in Denver Metropolitan Area, United States while working with Northrop Grumman.

What companies has Greg Cline worked for?

Greg Cline has worked for Northrop Grumman and United States Air Force.

How can I contact Greg Cline?

You can use AeroLeads to view verified contact signals for Greg Cline at Northrop Grumman, including work email, phone, and LinkedIn data when available.

What schools did Greg Cline attend?

Greg Cline holds Information Technology from Community College Of The Air Force.

What skills is Greg Cline known for?

Greg Cline is listed with skills including Network Administration, Firewalls, Troubleshooting, Microsoft Exchange, Active Directory, Hardware, Information Assurance, and Program Management.

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