Eden Mengesha
Silver Spring,MD
Summary
System/Messaging Engineer professional with over 15 years of experience in building and implementing new systems as well as overseeing System Migrations/Upgrades and implementing effective deployment strategies. System administration and operational support experience with Federal and Private sector.
Overview
16
16
years of professional experience
1
1
Certification
Work History
Sr Messaging Engineer
Tatitlek Federal Corporation- (BEP)
12.2023 - Current
- Manage and support Office365/On-Prem Exchange 2016/2019 by ensuring that all systems are online and available, Manage and troubleshoot AD Connect Synchronization issue
- Manage and support email security measures such as (SPF, DKIM, DMARC, Spam, Virus and content filtering Experience designing and configuring enterprise messaging solutions including enhanced security (MFA) Generate daily and weekly server performance reports and apply the latest cumulative update
- Create and manage O365 /On-prem Mailbox, Distribution Group Shared Mailbox, Calendar, Teams, SharePoint and Onedrive
- Monitor and evaluate the daily operations alerts, for Exchange Servers, /Services and remediate if any issues are discovered, Work with the IT Security team to resolve email-related issues including threats, attacks, and data loss prevention by providing logs and email pulls using the appropriate tools
- Managing Rules and performing blocking/allowing internal and external email addresses, Domains, IP addresses, and SMTP relays in On-prem and 0365
- Participate in the development and testing of Elastic mail Archiving solution
- Perform litigation holds and eDiscovery search Addressed and sought to resolve user issues promptly
Sr. Systems /Messaging Engineer
Improbable LLC
09.2020 - 11.2023
- Design and implement Office 365 and Azure in Microsoft’s Government Cloud to support business and product development
- Configure and manage local and group policies. configure Azure Virtual Networks (VNets), subnets, Azure network settings, DHCP address blocks, DNS settings, security policies, and routing) such as Okta Configure and manage security bassline configurations and software deployments
- Workstations and ensure compliance with monitoring and reporting
- Deployed and integrated on-premises AD with Azure Experience configuring and supporting IIS and Apache web servers Expertise in Microsoft Azure Cloud Services ( PaaS & IaaS ), Application Insights, Document DB, Azure Monitoring, Key Vault, Visual Studio Online (VSO), and SQL Azure
- Deployed Active Directory Domain Services (AD DS) to authenticate identities associated with users, computers, applications, or other resources
- Deployed and supported the implementation of Intune/) Endpoint/Azure mobile device Troubleshoot and process IT-related issues and requests including VPN connectivity issues, hardware/software, Cloud provider access (AWS, Azure, GCP), etc.
Sr. Systems Engineer
Maximus Federal Solution (DOL)
12.2013 - 07.2020
- Completed on-prem AD and user migration from source to target domain within one forest
- Completed On-Premise Microsoft Application migration to Public and hybrid Azure Cloud Analyze systems flow, data usage, and work processes; and investigate problem areas Supported Azure PaaS and IaaS Services and automation using PowerShell Supported Systems Integration Verification and Validation Completed Office 365 Messaging migrations and support in a hybrid environment
- Hands-on installing, configuring, troubleshooting, and supporting Windows and Linux-based servers Hands-on installing and configuring managed network switches and firewalls
- Supported and managed of Office 365 including Skype for business, ADFS, and DirSync
- Designed, configured, and supported an enterprise messaging environment including Office 365, and Exchange
- 2016/ 2013/2010/ADFS/AADS
- Supported Cisco Email Security Appliance (IronPort)
- Support and troubleshoot Email Security, mail delivery, and Threats related issues e.g
- (External/Internal message delivery, SMTP Relay, message tracking compromise email, and Spam Quarantine Experience in Security and Compliance by Managing Data loss prevention and Data governance
- Experience 24/7 mission-critical application and systems support during and after Cloud migration
- Experience identifying root issues of related to mail delivery, security threats & collaborating with different
- IT functional teams and the POCs staff to facilitate effective resolution
- Experience in configuring web applications, managed metadata services, user profile services, Office Web Applications, BI Tools, Health monitoring, deploying and monitoring Custom solutions Provide level 2 and 3 engineering support and consult with internal customers
- Assessed business requirements, developed, and presented solutions, produced design and migrating strategy documents, and provided guidance and knowledge transfer to team members.
Sr. Systems Administrator
Salient Federal Solutions (NOAA)
08.2008 - 07.2013
- Led and supported the Active Directory Domain Migration and server consolidation project to improve the overall IT infrastructure and reduce costs
- Deploy, manage, and support -critical VMS(Vessel Monitoring System) for (NMFS) the national Marine Fisheries Service Provided migration and support of Exchange 2007, Active Directory/ Domain Controller 2008, Red Hat Linux, EMC Storage McAfee ePolicy Orchestrator 4.5 Endpoint Encryption (SafeBoot), Numera FootPrint, GFI /Network monitoring, WSUS, Unify and Backup Exec 2010/2012
- Solely maintained Active Directory Infrastructure, along with GPO, DHCP, DNS, Site Replication Managed and supported Linux Red Hat Enterprise Servers, as well as EMC SAN Storage and Brocade Switch Deployed and managed VMware Hypervisor 5.1, ESX4.1, host along with attached storage
- Knowledge using Appian Logging and Monitoring, Appian health check reports Installed, Configured, and managed Hyper-V VDI Installed, Configured, and administered multiple ESX hosts in multiple network environments
- Assisted and maintained VDI master images and installed client applications Executed security baseline for the Windows and Linux enterprise systems using the U.S
- Government Configuration Baseline (USGCB) and CIS Red Hat Benchmark, improving and strengthening
- Implement and support Configuration Management and Change Management
- Monitor and troubleshoot systems availability.
Education
Bachelor of Science in Management Information Systems -
California Polytechnic State University
San Luis Obispo, CASkills
- Windows Server 2019/2016/2012 Exchange 2019/2016/2013/2010 Red Hat Linux
- Azure Cloud Office 365 AADC ADDS ADFS Active Directory DNS DHCP SCCM ServiceNow SolarWinds Splunk Slack Jira Dell/EMC SonicWall Barracuda Splunk WatchGuard IronPort (ESA) Nessus Vulnerability Scanner VMware vSphere, vCenter, vMotion, HA, DRS
Certification
- Microsoft Certified Systems Engineer (MCSE)
- Exchange Certified Messaging Administrator (MCITP)
- Cloud - Office 365 System Administrator
- Linux Red Hat (RHCE)
- ITIL v3
Timeline
Sr Messaging Engineer
Tatitlek Federal Corporation- (BEP)
12.2023 - Current
Sr. Systems /Messaging Engineer
Improbable LLC
09.2020 - 11.2023
Sr. Systems Engineer
Maximus Federal Solution (DOL)
12.2013 - 07.2020
Sr. Systems Administrator
Salient Federal Solutions (NOAA)
08.2008 - 07.2013
Bachelor of Science in Management Information Systems -
California Polytechnic State University
- Microsoft Certified Systems Engineer (MCSE)
- Exchange Certified Messaging Administrator (MCITP)
- Cloud - Office 365 System Administrator
- Linux Red Hat (RHCE)
- ITIL v3
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