Brennan Johnson

Brennan Johnson Email and Phone Number

Messaging & Collaboration Engineer @ Apex Systems
Garland, TX, US
Brennan Johnson's Location
Dallas, Texas, United States, United States
Brennan Johnson's Contact Details

Brennan Johnson personal email

n/a
About Brennan Johnson

I believe in Microsoft UC products and that shows in my work. My career path is to continuously grow by utilizing my skill sets and staying on the cutting edge of technologies that I love to work with in a supportive and positive environment.

Brennan Johnson's Current Company Details
Apex Systems

Apex Systems

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Messaging & Collaboration Engineer
Garland, TX, US
Website:
apexsystemsinc.com
Employees:
13541
Brennan Johnson Work Experience Details
  • Apex Systems
    Apex Systems
    Garland, Tx, Us
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  • Apex Systems
    Escalation Engineer
    Apex Systems Feb 2024 - Aug 2024
    Glen Allen, Va, Us
    • Escalation support for Microsoft• Troubleshoot Teams voice, presence, meeting, device, and sharing issues• Collaborate with other engineers on cases
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  • Texas Health Resources
    Messaging & Collaboration Engineer Ii / Escalation Engineer
    Texas Health Resources Jun 2020 - Feb 2024
    Arlington, Texas, Us
    • Escalation support for Skype for Business hybrid (decommissioned in 2021) and Teams• User admin in local Active Directory and O365 Azure as a Global Admin• Migrated users from Skype for Business hybrid to Teams• Composed document explaining user migration process. Created Visio to explain licensing workflow for team reference.• Administer Teams as well as on premise Skype for Business hybrid environment• Troubleshoot Teams voice issues in Direct Routing environment that includes AudioCodes SBC M1K• Collaborate with telecom on any incoming calls issues that are routed through Avaya Call Manager• Compose KM’s for first level help desk for most common Teams support call generators• Lead weekly Messaging & Collaboration team conference calls• Work in Service Now ticketing system for all incidents and changes. Work with change implementation teams on changes• Administer Standard Operating Procedures documentation library
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  • Jda Tsg
    Microsoft Premier Field Engineer - Skype For Business And Teams
    Jda Tsg May 2019 - Feb 2020
    New York, New York, Us
    • Perform network performance assessments on site or remotely for O365, Skype for Business and Teams• Deliver workshops remotely or on-site for Teams• Deliver custom engagements• Work with customers transitioning from Lync or Skype for Business to Teams
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  • Jacobs Engineering S.A.
    Skype For Business Engineer Iii
    Jacobs Engineering S.A. Jul 2018 - Nov 2018
    Casablanca, Ma
    • Tier 3 Escalation Support for 60k users • Skype for Business Hybrid, O365 voice, Lync 2013 to SfB 2015 migration related issues • Polycom VVX and Trio config for O365 voice using provisioning server during cutover window• PowerShell scripting for support and administration tasks • Voice quality data gathering, analysis, and working with networking team to resolve voice quality issues internationally
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  • Dimension Data
    Skype For Business Advanced Technical Consultant
    Dimension Data Nov 2017 - Feb 2018
    Bryanston, Johannesburg, Za
    • Assist with cutover for SC Johnson at 32 international sites while migrating off of traditional PBXs to Skype for Business• Procure sites, create BOMs, configure Skype for Business trunks, routes, dial plans, normalization rules, convert PBX hunt groups to SfB Response Groups, configure AudioCodes gateways (M1K, MP124), manage quotes, day 2 support
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  • Voss
    Skype Deployment Engineer Iii
    Voss Mar 2017 - Oct 2017
    Garland, Texas, Us
    • Deployed Skype for Business hybrid internally at VOSS for 200 users located in North America, Europe, South Africa, India, and Australia. Deployment included two Enterprise Pools located in South Africa and Dallas, Texas. Features deployed include Enterprise Voice, Site Resiliency, SQL AAGs, Call Monitoring, CQD, Office Web Apps, External Access, O365 hybrid, AD Connect, Mobility, SfB for Mac, Web Scheduler• 40% Windows users, 40% Mac users, and 20% Linux users. • Tier II Escalation Support for SfB tickets• PowerShell scripting• Recorded Microsoft recommended set of perfmon counters on all 16 SfB-related servers for two weeks and then compiled data to show performance hits related to high disk and SQL back end latency
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  • Carousel Industries
    Solutions Architect
    Carousel Industries Dec 2013 - Dec 2016
    Exeter, Rhode Island, Us
    • Largest Enterprise Voice deployment is 35k users• Pre-Sales and Post-Sales for planning, designing, quoting, and deploying Skype for Business, O365 (Cloud PBX w/ PSTN, Cloud Connector Edition, on-premise), Lync Server 2013 and Unified Messaging (on-premise, O365)• Lync Enterprise Voice, Dial-In Conferencing, integration with existing PBX using a SIP trunk or gateway for transcoding, SIP trunking providers, PSTN carriers, Polycom Integration, Unified Messaging, LRS, AudioCodes gateways, Sonus SBC’s and SBA’s, High Availability, DNS and hardware load balancing, Windows Fabric, Pool Pairing, Disaster Recovery, branch survivability, Response Groups, Call Pickup, Call Park, IM Archiving on SQL or Exchange 2013, Monitoring, SQL Mirroring or Clustering, Lync integration with Outlook Web Access on Exchange 2010/2013, AutoDiscover, internal and external Mobility, IIS ARR for Reverse Proxy, Hardware Reverse Proxy (i.e. F5 or Barracuda), Office Web Apps, Regular Expressions, Global, Site, and User level Dial Plans, Internal PKI on Windows Server 20xx, Public Certificate Authorities, ADFS, DNS, QoS, MPLS, VPN Tunnels, CAC, Media Bypass • PowerShell scripting• Coordinate with Project Manager and customer to deliver according to SoW• Escalation Support for tickets related to Skype for Business line of products
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  • Dell
    Lync Consultant
    Dell Apr 2013 - Sep 2013
    Round Rock, Texas, Us
    • Travel on-site to customer locations to plan/deploy/migrate Lync 2013 or 2010 on-premise or hybrid with Lync Online• Configured Sonus SBC, Dial-In Conferencing, Monitoring, Edge Servers, Office Web Apps pool, Web Services, Mobility, PKI, IIS, load balancing, firewalls, SIP trunking, SQL 2012, Windows Server 2012, PBX integration• Coordinate with Project Manager and customer to deliver according to SOW
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  • Bnsf Railway
    Lync Systems Engineer
    Bnsf Railway Jul 2012 - Apr 2013
    Fort Worth, Texas, Us
    • Support Microsoft Lync 2010 server roles and user migration from OCS 2007 R2• Troubleshoot SIP, PKI, connectivity, networking, F5, performance, DNS, conferencing, remote, A/V, voice mail, legacy, DMZ, federation, and account issues• Support Exchange Unified Messaging • SIP phone configuration and troubleshooting• Deploy and administer SCOM 2012. Configured Lync 2010 synthetic transactions.• Migrate OCS 2007 R2 to Lync• Deploy Polycom A/V conferencing solution
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  • Mphasis
    Lync Technical Consultant
    Mphasis Mar 2012 - Jul 2012
    Bangalore, Karnataka, In
    • Plan, design, architect, and migrate/deploy Unified Communications and VoIP solutions such as Lync Server 2010, OCS 2007 R2, and Unified Messaging for HP customers• Integrate Unified Communications with existing technologies• Troubleshoot Unified Communications and VoIP issues
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  • Vha
    Sr. Unified Communications Engineer (Ocs & Lync)
    Vha Jul 2011 - Mar 2012
    Irving, Texas, Us
    • Supervise UC enterprise environment that utilizes OCS 2007 R2, Unified Messaging, and Live Meeting• Provide Tier 3 level support for internal users• Collaborate with Security, Networking, and Server/Platforms teams for RFC’s• Train co-workers in Microsoft UC technologies for support triages and troubleshooting methods• Migrating to Lync 2010 from OCS 2007 R2• Exchange 2010 admin and troubleshooting• Provide 24x7 on-call support in round-robin rotationAccomplishments:• Created and updated documentation to increase one-to-many knowledge across departments• Migrated Director and Backend SQL Server to different physical servers• Implemented communication that resulted in avoiding RFC implantation failures• Recognized by management in rebuilding Edge server to resolve disaster• Refined RGS rules
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  • Microsoft
    Support Escalation Engineer (Lync)
    Microsoft Feb 2008 - Jul 2011
    Redmond, Washington, Us
    • Provide Tier 3 level support for Premier and Professional customers for LCS 2005, OCS 2007 R1 & R2, Lync Server 2010, Live Meeting hosted locally or in the cloud, OCS Online, BPOS, and Unified Messaging• Walk customers through implementing, configuring, or troubleshooting• Build and keep confidence of Premier customers through excellent customer service and short days-to-resolution• Collaborate with product group developers in Redmond when escalating issues or submitting bugs• Present training to co-workers via triage and create public content• Cases worked include troubleshooting deployments, planning, topologies, certificate issues, SSO, peripheral networking, firewalls, web conferencing, ports, Big-IP F5, DMZ, federation, PKI, PIC, SIP, TLS, VoIP, STUN/TURN/ICE, SSL, HTTP, IIS, DNS, AD objects, active/passive SQL nodes, disaster recovery, fault tolerance, restorations, voice quality, UC server roles, and A/V conferencing issues• Train contractors in case management and troubleshooting methods• Post mortem analysis to find root cause. (Event logs, ETL or client side logging, monitoring reports, SQL logs, etc) • ETL log analysis. Netmon trace analysis. • Provide 24x7 on-call support in round-robin rotationAccomplishments:• Won back a Premier customer who was going to migrate to Cisco because of their dissatisfaction with Unified Messaging• Recognized in creating content for internal knowledge base increasing the one-to-many knowledge• Created triage in Early Media troubleshooting for OCS 2007 R1 VoIP cases• Composed KB2549544 after resolving a case
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  • Emj
    It Administrator
    Emj Feb 2006 - Jan 2008
    Lynwood, Ca, Us
    • Forest level AD admin and Tier II escalation• Also admin for VMWare ESX Server hosted on IBM BladeCenter• Migrated VMs while allocating blade resources• Published Citrix apps• Managed DHCP scopes, RIS server, and slipstreamed images, DFS namespaces, DFS replication groups, server roles, MyDocs redirection, GPO• Managed storage volumes (LUNs) and snapshots (backups) on an Equallogic PS300E 5TB SAN• Optimized VLANs on Cisco 1841 and 4506, kept backups of Cisco routers' running-configs of the WAN's routers via TFTP• Configured three T1's to be bonded to one IP address via MLPPP > Cisco routers. BES admin. Adjusted SAN and snapshot schedules. Recovered data as needed.• Implemented wireless network. AIX for accounting. Trained users in newly implemented application solutions• Network performance troubleshootingAccomplishments:• Migrated server roles to being fully redundant• Lowered the amount of DFS replication traffic significantly by setting up filters (i.e. - recycler)• Lowered TCO by learning Nortel commands > reduced service calls by 90%• Bandwidth upgrade from one T1 to three bonded T1s with zero downtime. Used ScriptLogic's Desktop Authority to centrally administer printer mappings for 400 users instead of local configs. Migrated VM farms.• Installed and configured an APC Symmetra LX 16kVA UPS. Configured graceful shutdown.• Fixed DC rebooting intermittently by finding a faulty capacitor on the motherboard when IBM's hardware diag tests didn't show anything to be wrong. Leader in tickets resolved for 2007
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  • Cunningham Lindsey
    Systems Analyst Ii
    Cunningham Lindsey Jan 2006 - Sep 2006
    Memphis, Tennessee, Us
    • Desktop Support using remote control. Break/fix Windows XP/2000 OS issues. ADUC, Login scripts, Terminal Serve, Office 2005/2000• LAN/WAN/VPN/RAS connectivity issues. Network, TCP/IP config. Print servers. Tshoot printer hardware. PC/laptop hardware. Proprietary applications, wireless network adminAccomplishments:• Created and updated documentation to expand the knowledge and troubleshooting methods of solutions across departments• Lowered the amount of DFS replication traffic significantly by setting up filters (i.e. - recycler)• Lowered TCO by learning Nortel commands > reduced service calls by 90%.• Bandwidth upgrade from one T1 to three bonded T1s with zero downtime. Used ScriptLogic's Desktop Authority to centrally administer printer mappings for 400 users instead of local configs. Migrated VM farms
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  • The Village At Richardson
    Licensed Vocation Nurse - Wound Care Specialist
    The Village At Richardson Aug 2004 - Jan 2006
    Responsible for treating wounds for 150 residents. Assisted on-site doctors with arterial procedures.Accomplishments:• Lowered infection rate by 40%
  • Serve & Solve Computer Solutions
    Home Business Owner
    Serve & Solve Computer Solutions Sep 2003 - Jul 2004
    Deployed and supported personal and small business environments, Office, Outlook, server/desktop/laptop upgrades, inventory, network cabling mgmt, and tshoot connectivity issues. Part-time while in nursing school.
  • Microsoft
    Support Engineer (Office)
    Microsoft Apr 2003 - Aug 2003
    Redmond, Washington, Us
    • Office Deployment support for Pro/Premier customers• Custom installation, setup, and configuration of MS Office products• Created transforms, verbose logging, and performed installations on advisory cases
    View

Brennan Johnson Skills

Microsoft Exchange Dns Windows Server Tcp/ip Networking Lync Server 2010 Troubleshooting Virtualization Lync Unified Communications Iis Cloud Computing Microsoft Technologies Disaster Recovery Voip Active Directory Dhcp Firewalls Powershell Lync Server 2013 Scom Hyper V Unified Messaging Sip Vmware Sonus 2008 R2 High Availability Ip Audiocodes Messaging Lync 2013 Vmware Esx Security Operating Systems Blackberry Enterprise Server System Deployment San Citrix Group Policy Technical Support Integration Servers Sharepoint Windows Xp Storage Exchange 2010 Cisco Technologies Hardware Domain Name System

Brennan Johnson Education Details

  • Microsoft Internal Training
    Microsoft Internal Training
    Unified Messaging For Exchange 2007/2010/2010 Sp1
  • Dell Academy
    Dell Academy
    Unified Communications
  • Invalid15251257
    Invalid15251257
    Lvn
  • Southern Methodist University
    Southern Methodist University
    Biomedical Engineering

Frequently Asked Questions about Brennan Johnson

What company does Brennan Johnson work for?

Brennan Johnson works for Apex Systems

What is Brennan Johnson's role at the current company?

Brennan Johnson's current role is Messaging & Collaboration Engineer.

What is Brennan Johnson's email address?

Brennan Johnson's email address is br****@****oft.com

What schools did Brennan Johnson attend?

Brennan Johnson attended Microsoft Internal Training, Dell Academy, Invalid15251257, Southern Methodist University.

What are some of Brennan Johnson's interests?

Brennan Johnson has interest in Cars, Researching Online, Food, Health, Anything Computers And Electronics, Education, Fitness, Landscaping, Music, Running.

What skills is Brennan Johnson known for?

Brennan Johnson has skills like Microsoft Exchange, Dns, Windows Server, Tcp/ip, Networking, Lync Server 2010, Troubleshooting, Virtualization, Lync, Unified Communications, Iis, Cloud Computing.

Who are Brennan Johnson's colleagues?

Brennan Johnson's colleagues are Davina Allen, Roy Hartley, Zach Undefined, Trevor Barron, Jerica Bailey, Courtney Ceniceros, Abhishek Patel.

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