-
Altherias

Cybersecurity Specialist / Administrator

Altherias
Poland · Full-time · Mid-Senior

We are looking for 2 Cybersecurity Specialists / Administrators for a key client based in Warsaw, Poland.


Typical tasks and responsibilities (non-exhaustive list):

  • Design, implement and maintain cybersecurity solutions and infrastructure
  • Configure, monitor and optimize security systems, controls and tools
  • Manage security patches, upgrades and vulnerability remediation
  • Investigate, troubleshoot and resolve cybersecurity incidents and system issues
  • Collaborate with IT teams to implement secure solutions and meet security requirements
  • Produce technical documentation, operational procedures and security reports
  • Support security audits, compliance activities and continuous service improvement


Requirements (ALL MANDATORY)


Education & Certifications:

  • Minimum education: bachelor’s degree or 3 years of higher education
  • English B2-level certification (or willingness to obtain one shortly)


Professional experience

  • Minimum IT relevant professional experience of 8 years
  • Minimum experience relevant to the profile or at similar position of 5 years


Required certificates:

At least 3 certifications among:

  • GCED (GIAC Certified Enterprise Defender)
  • GPPA (GIAC Certified Perimeter Protection Analyst)
  • GCWN (GIAC Certified Windows Security Administrator)
  • GCUX (GIAC Certified UNIX Security Administrator)
  • GCCC (GIAC Certified Critical Controls)
  • SSCP ((ISC)2 Certified Systems Security Practitioner)
  • CCSP (ISC2 Certified Cloud Security Professional)
  • CISSP (Certified Information Systems Security Professional)
  • CSSLP (ISC2 Certified Secure Software Lifecycle Professional)
  • GSEC (GIAC Certified Security Essentials)
  • ECSA (EC-Council Certified Security Analyst)
  • SCPO (SABSA Certified Security Operations & Service Management Practitioner)


OR for any listed above, an equivalent alternative certification, recognized internationally, could be accepted.


Knowledge and skills:

  1. Knowledge of systems development life cycle
  2. Knowledge of operating systems security
  3. Knowledge of computer networks security
  4. Knowledge of security controls
  5. Knowledge of offensive and defensive security practices
  6. Knowledge of secure coding practices
  7. Possesses hands on experience in ICT in the role of Information Security Administrator / Specialist
  8. Knowledge of system security vulnerabilities, threats and exploit mechanisms, penetration testing, remediation techniques and risk analysis methodologies
  9. Knowledge of ISO 27000 family standards and SANS CIS critical security controls
  10. Knowledge of OWASP family standards
  11. Good knowledge of network protocols: SMTP, NTP, DNS, LDAP, DHCP, PKI/CA
  12. Practical knowledge of designing and performing security tests
  13. Practical knowledge of managing security functions within the Identity and Access Management solutions
  14. Assess the security and performance of solutions
  15. Develop and test secure code and/or scripts


Profile 1

Specific requirements:

  • Experience in systems deployment and integrations
  • Knowledge of Tiering model
  • Experience in maintenance, support and administration of systems
  • Experience in IR tools (XDR, SIEM, NDR)
  • Proficient in writing PoC/TDD documentation
  • Experience in reviewing current security controls and proposing improvements
  • Experience in writing security procedures/policies with emphasise on information protection and data privacy

Profile 2

Specific requirements:

  • Experience in PKI operations
  • Experiance in the operations and maintenance of security monitoring platforms (Splunk, Sentinel, Darktrace)
  • Experience in operations of risk-based vulnerability management services (with Tenable) including penetration testing coordination
  • Experience in deploying and managing PAM platforms
  • Experience in application security testing with CheckMarx SAST and DAST
  • Experience in implementation controls alligned with Zero Trust Architecture


Additional information:

  • RESTREINT UE/EU RESTRICTED Security Clearance is required (Mandatory)


Location & Work Modality:

  • Warsaw, Poland
  • Hybrid: 40% on-site in Warsaw, 60% in proximity (max. 2h by car from Warsaw) Profile 1
  • Hybrid: 50% on-site n Warsaw, 50% in proximity (max. 2h by car from Warsaw) Profile 2

Key Skills

Ranked by relevance

penetration testing cybersecurity identity and access management security audits cloud security splunk owasp cloud unix siem dhcp dns ntp cis
Login to Apply
Posted
Jul 07, 2026
Type
Full-time
Level
Mid-Senior
Location
Warsaw
Company
Altherias

Industries

IT Services IT Consulting

Categories

Information Technology

Related Jobs

3 roles aligned with this opportunity

View all jobs
View Job Details
UpcoMinds
Related

Cyber Security Specialist (1575)

2026-07-07

Full-time
Mid-Senior
Poland
IT Services
Information Technology
View Job Details
ALGOTEQUE Innovation Hub
Related

Information Security Engineer

2026-07-04

Full-time
Mid-Senior
Poland
IT Services
Information Technology
View Job Details
Inetum
Related

Information Security Engineer (AI Security) | 1

2026-07-07

Full-time
Mid-Senior
Poland
IT Services
Information Technology