Barlis Carl Wilson Calo

▪ Deploy, manage, and optimize various security solutions, including firewalls, IPS, SIEM, UEBA, and
EDR.
▪ Perform migrations, upgrades, and fine-tuning of these solutions to ensure optimal performance
and effectiveness.
▪ Configure, review, and set up policies for each security solution to align with security best
practices and organizational needs.
▪ Document all deployment, configuration, and maintenance activities for future reference and
audit purposes.
▪ Conduct regular vulnerability assessments using automated tools to identify potential security
weaknesses in systems and applications.
▪ Analyze identified vulnerabilities and recommend actionable steps to remediate them, including
mitigation strategies and patch deployment plans.
▪ Perform quarterly reviews of privileged account access within the Mimecast application,
including analyzing admin activity logs for suspicious or unauthorized activity.
▪ Be prepared to undertake additional duties assigned by the supervisor as

▪ Provide 2nd level of support for the user’s access via email, phone and remote.
▪ Support issues related to user access on provisioned applications and the supported security solutions
(e.g. endpoint and server security solutions, data loss prevention solution, privileged password
management solution, and advanced threat detection systems)
▪ Troubleshoot and remediate issue when necessary
▪ Evaluate existing systems implementations, to ensure processes and procedures are in line with security
policies & standards
▪ Write and maintain IT security documents (standard operating procedures, policies)
▪ Daily administrative tasks, reporting, and communication with the relevant departments in the
organization.
▪ Provision user accounts and grant access in the following: Windows (using Active Directory and
ManageEngine AD360, Lotus Notes, Confluence, JIRA, SQL Management Studio (2003/2008/2012),
MasterSAM, Internet Banking (BizChannel@CIMB, S2B, CitiDirect, UOB, HSBC, Westpac), Reuters
Messaging, SGX, SunSystem, Imaging and Workflow, CDD/Detica, Call Logging/FootPrints, Trading
softwares (such as iTradePro, GL Trade, IRESS Pro, Bloomberg), internal ePortal and In-house applications.
▪ Provision baseline account on servers (Windows, Red Hat Linux, Solaris, SQL, Oracle SQL Developer) and
add them to Trend Micro Deep Security Manager
▪ Prepare reports for internal review and audit
▪ Work closely with managed security provider, vendors, information system owners or representatives and
infrastructure technical staffs on security incidents to perform incident handling and provide remedial
actions
▪ Develop an in-depth understanding of the systems and services as well as the related business impacts
▪ Understand the security application requirements for new and/or upgrading projects related to security
applications and coordinate with Vendor’s for the implementation
▪ Prepare and deliver monthly, quarterly, annually and ad-hoc security reports
▪ Work closely with various IT contractors in ensuring security control recommendations are promptly
implemented and/or resolved
▪ Support yearly DR Drill, BCP test or whenever system upgrade during weekends
▪ Standby for special events

▪ Provide 1st and 2nd level of support to users via email, phone, remote or onsite. Support includes Setup
(PC, Printer/Scanner and other devices), Network issues (Printers, LAN & WLAN, Wireless Configuration,
Intranet and Internet), AV installation and Virus/threats disinfection, VPN, Assessments (PC, parts,
peripherals and other devices), Installation/Reimaging/ Troubleshooting (Windows XP/7/8/8.1),
(Hardware and software Installation and Troubleshooting), (Apple mail / Mozilla thunderbird / IMAP /
POP3) and other related concerns.
▪ Log user requests on JIRA (ticketing tool) and remote users using Symantec PCAnywhere
▪ Create images for new incoming PC models and apply local computer and user policy as per CIMB
Securities standard
▪ Perform Windows XP to Windows 7 migration
▪ Perform wiping out of data and installation of Linux NoTouch for old PC’s
▪ Perform hardware replacement for upgrade and defective parts
▪ Relocate/deploy/replace PC’s to end users
▪ Perform IT inventory update for every new changes
▪ Mobile support experience such as email configuration, wireless setup, wireless issue. (Android, iPad,
iPhone, Blackberry and other devices)
▪ Liaise issues that are related or in need of help with other teams such production, network, server,
database and etc.
▪ Provision of user accounts in the domain and workgroup servers, access and grouping for Active Directory
and using ManageEngine AD360, SQL Management Studio, MasterSAM, Lotus Notes, Internal Portal, JIRA,
Confluence, Internet Banking (BizChannel@CIMB, S2B, CitiDirect, UOB, HSBC, Westpac), Trading software
such as iTradePro, GL Trade, SGX, Bloomberg), and In-house applications.
▪ Send email requests of the creation/change/deletion of LDAP in CIMB Securities KL
▪ Create internal review report for user accounts and access matrix in Active Directory and Lotus Notes for
each department in Singapore and regionally.
▪ Perform account disabling/deletion for staff clearance
▪ Standby for special events

▪ Provide 1st and 2nd level of support to end users logged by the service desk team via phone and email in
NUS. Also, Log cases for walk-in users and ambush cases.
▪ Provide support for concerns that are resolvable via walk-in, remote support and onsite. Support includes
Setup (PC, Printer/Scanner and other devices), Network issues (Printers, LAN & WLAN, Wireless
Configuration, Intranet and Internet), AV installation and Virus/threats disinfection, VPN, Assessments
(PC, parts, peripherals and other devices), Installation/Reimaging/ Troubleshooting (WINDOWS
XP/VISTA/7/8), (Hardware/Software Installation and Troubleshooting for Windows), (Apple Mail / Mozilla
Thunderbird / Exchange server configuration / IMAP / POP3), Migrate and set up SecureMail certificate
and other related concerns.
▪ Performed Windows XP to Windows 7 migration for end users
▪ Perform network task for CISCO & Alcatel Lucent switches such as network point activation, patching,
labeling, port tracing and VLAN configuration (for fixed IP and IP Telephony), help to mount switches,
handle feedbacks to hall residents, and hardcode static ip for devices.
▪ Mobile support experience such as email configuration, wireless setup, wireless issue. (Android, iPad,
iPhone, Blackberry and other devices)
▪ Provides 1st level of support for MAC, Ubuntu Linux, and other special applications provided by the
university.
▪ Liaise with service desk for issues/concerns to other teams such as Wintel, Network, Messaging, Systems,
Security, Cabling Vendor, HPC, UNIX, IT Vendor and IT Coop to provide accurate and faster solution based
on the service level agreement of NUS (ITIL).
▪ Implementation of company policies to instill discipline and create harmonious working relation in the
organization
▪ Perform task of a smartcard service desk when stationed over the counter
▪ Standby for special events

▪ Provide technical support to end users logged by the service desk team via phone and email.
▪ Provide onsite support for concerns that are not resolvable via remote support including network
connections problem (printers, LAN & WLAN, intranet connections and internet), virus issues,
assessments (PCs, parts, peripherals and other devices connected to the PC), PC refresh, OS problem
(Windows 2000/NT/XP/VISTA/WINDOWS 7), standard and special applications remediation for JGS group
of company including remediation of AV software, restoration and replacement on computer equipment,
outlook problems, and other related concerns
▪ Performed Windows XP to Windows 7 migration for 200 end users
▪ Submit utilization report monthly, service request form (SRF) quarterly (for evaluation of our Team Leads)
with SRF AR form and other documents that are required by the inventory team (IMACD).
▪ Handles installation, moving, addition, change, disposal and configuration of new desktops, laptops,
computer parts, peripherals, and other devices connected to the pc.
▪ Escalate concerns to other team such as Wintel, Network, Messaging, Service Desk, Security, Data Center,
Database, UNIX, Dispatch, business unit information systems department (BU-ISD), Vendor and Parts
Management to provide accurate and faster solution on problems regarding end user concerns based on
the service level agreement of HP (ITIL).
▪ Update and resolve incident/ problem/ change on a timely basis based on the service level agreement to
the dispatch team
▪ Implementation of company policies to instill discipline and create harmonious working relation in the
organization
▪ Follow standard operating procedures and provide suggestion and instructions to fellow engineer
whenever they require technical assistance
▪ Maintain updated hardware and software inventory.
▪ Provide first level of application support to SAP, AS400 and other special applications.

▪ Encodes data and information for the improvement of a local government unit (LGU) system.
▪ Install and setup applications such as net support and progress software.
▪ Provide technical support for end users under the transition from manual system to automated system
and from different system to our new system.
▪ Conducting updates and training with the new products, services and sales process in our team.
▪ Assisted team’s overall performances; motivating and technical coaching.
▪ Assures in delivering customer satisfaction and quality service.
▪ Responsible for fieldworks in different LGU’s which include doing hands-on transaction of different
government systems.
▪ Troubleshoot and debug problems encountered while processing transaction needed to develop and
maintain complex systems.
▪ Provide technical assistance in terms of hardware and software related concern
▪ Coordinate accordingly with other department in delivering an efficient and accurate system
▪ Capture comments and suggestions from clients in improving the systems and reducing redundancies in
implementing faster transactions
▪ Create users guide and user’s manual for systems implemented in a LGU
▪ Generate reports and backup database daily from Windows Server 2003/2008