Maciej Piaskowy - Senior Security Engineer, ManpowerGroup

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Work Background

ManpowerGroupSenior Security Engineer

Oct. 2021ItalyMain responsibilities: - email security implementation, maintenance, monitoring, and tuning in an enterprise environment with 45k+ users and 300+ internal domains, mail flow analysis and troubleshooting across all email processing platforms, reporting platform deficiencies, and requesting new features/fixes (Mimecast) - AI-based email security implementation, maintenance, monitoring, and platform access management (Abnormal) - DMARC policy reject implementation on 1,5k monitored domains, DMARC compliance monitoring, email authentication failures troubleshooting and resolution, SPF and DMARC records management, SPF records analysis, optimization, and flattening - email platform troubleshooting (Exchange Online) - cloud security posture monitoring tool implementation, maintenance, and monitoring, new cloud environments onboarding (Azure, AWS, Google, and Oracle), new features proposals, and platform access management (Wiz) - firewall risk analysis platform implementation, architecture modification, maintenance, monitoring, and platform access management (Algosec) - automated email platform assessment platform implementation, maintenance, monitoring, reports creation, and platform access management (Cymulate) - API security posture monitoring and troubleshooting (Salt) - managing email security-related (SPF, DKIM, and DMARC) DNS records (Cloudflare) - security incidents handling and resolution, changes creation and implementation, new security-related workflows, and template design (ServiceNow) - internal incidents and requests troubleshooting in managed systems (with the use of Splunk, Meraki, Algosec) - security exceptions creation and data privacy assessment (OneTrust) - developing and improving internal procedures and processes

SEQREDIT Security Engineer

Mar. 2021 - Sep. 2021Warsaw, Mazowieckie, PolandMain responsibilities: - analysis and evaluation of architecture diagrams, procedures, instructions, and other documents from the security standpoint for the external client (bank) - cloud (Azure) environment analysis, evaluation, and improvement suggestions for the external client (bank) - operating systems hardening guide development - security technical requirements (networks, operating systems, other IT infrastructure) creation for the external client (public transport operator) - developing and conducting security training - supporting all internal projects with security expertise

SUSEInformation Technology Security Specialist

Apr. 2021 - Sep. 2021CroatiaMain responsibilities: - email security implementation, monitoring, and tuning (Mimecast). - supporting admin role with security focus (Office 365). - security incidents handling and resolution (Jira). - vulnerability management products comparison and advisory (Tenable, Qualys, Wazuh). - vulnerability management platform implementation (Qualys). - Okta integration automation support (Metacompliance). - analyzing overall company security and recommending improvements. - developing and improving internal procedures and processes

VISTRACyber Security Specialist

Aug. 2019 - Jan. 2021Warsaw, Masovian District, PolandMain responsibilities: - AV environment management, review and advisory (McAfee ePO) - workstations and servers patching review (GFI Languard, Qualys) - email security monitoring, troubleshooting and tuning (Mimecast) - supporting admin role with a security focus (Office 365) - Active Directory analysis and hardening advisory - consulting and development of secure OS builds - Privilege Access Management monitoring and analysis (BeyondTrust former Bomgar) - security incidents handling and resolution (ZenDesk) - analyzing overall company security and recommending improvements - reporting found security gaps to the management - improving internal processes to enhance overall security - supporting all internal projects with security expertise - monitoring electronic media for emerging threats

CiscoSecurity Engineer

Oct. 2018 - Jul. 2019Cracow, Lesser Poland District, PolandMain responsibilities: - devices monitoring (EM7) - incidents identification and logging (RMS, ServiceNow, CMSP) - incidents classification and prioritization - investigation and analysis (EM7, Splunk, ATA Magnet portal) - Cisco devices troubleshooting (FirePower, ASA, SourceFire, ESA, WSA, router, switch) - services troubleshooting (ISE, ACS, Claroty Platform) - Tier 3 or TAC escalation - resolution and incident closure

O-IIT Security Analyst

Jun. 2017 - Sep. 2018Poznań, woj. wielkopolskie, PolskaIT Security Analyst in O-I Business Service Centre responsible for: - AV environment management (McAfee ePO) - AM environment management (Cisco AMP) - IAM and MFA management (Okta) - incident monitoring (Rapid7 insightIDR) - analyzing global company security and recommending improvements - internal process automation - 3rd line user support

Centrum Wsparcia Teleinformatycznego Sił PowietrznychSpecialist

Oct. 2016 - Aug. 2017Warszawa, woj. mazowieckie, PolskaMain responsibilities: - Administering servers and workstations (Windows Servers 2008, 2012, Windows 7, Windows 10) - Administering application servers (Lotus Domino Server 9.0, NATO CSI Server) - Acting as a Global System Administrator and architect for a crucial, NATO Secret classified Air Command and Control System within the Polish Air Force - Administering LAN devices (Cisco) - Supporting users in the 1st and the 2nd support lines for various systems - Developing IT systems security documentation cleared up to NATO Secret level - Suggesting and implementing solutions to improve user’s work experience - Ensuring proper functioning of managed and supervised IT systems - Monitoring threats and improving managed systems security level - Improving personal technical skills in internal and commercial courses - Monitoring and administering of the virtual environment running on IBM blade servers - Monitoring and administering of SAN and NAS storage network

Jednostka Wojskowa 2823IT Section Manager

Dec. 2008 - Sep. 2016Pow. poznański, woj. wielkopolskie, PolskaMain responsibilities: - Managing a small group of specialists and administrators (up to 6 ) - Administering servers and workstations (Debian Linux, Windows Servers 2008 and 2012, Windows XP and 7, Solaris 10) - Administering application servers (Lotus Domino Server 8.5 and 9.0, NATO CSI Server) - Acting as a Global System Administrator and architect for a crucial, NATO Secret classified Air Command and Control System within the Polish Air Force - Administering LAN and WAN devices (Cisco). - Supporting users in the 1st and the 2nd support lines for various systems - Escalating cases and maintaining contact with the external 3rd line of support - Developing IT systems security documentation cleared up to NATO Secret level - Suggesting and implementing solutions to improve the security of managed systems - Ensuring proper functioning of managed and supervised IT systems - Planning and managing equipment life cycle within the organization - Improving personal and subordinates' technical skills in internal and commercial courses

Jednostka Wojskowa 2823Communication Security Officer (COMSEC)

Jul. 2007 - Nov. 2008Pow. poznański, woj. wielkopolskie, PolskaMain responsibilities: - Supervising and auditing the cryptographic security of national and allied ICT systems - Suggesting and implementing solutions to improve the security of protected systems - Developing classified IT systems security documentation - Creation of evacuation plans and security procedures - Maintaining required documentation and audit evidence

Jednostka Wojskowa 4430Szef Sekcji Logistyki

Jan. 2007 - Jun. 2007Pow. śremski, woj. wielkopolskie, Polska

Jednostka Wojskowa 2823Kierownik Stacji Łączności Utajnionej

Jul. 2006 - Dec. 2006Poznań, woj. wielkopolskie, Polska