Senior IT Security Engineer

On-siteSalary not specified

Job Description, Responsibilities & Requirements

About the Position

We are looking for a highly skilled Senior IT Security Engineer to lead and strengthen our cybersecurity posture across systems, networks, and applications. The ideal candidate brings deep technical expertise, hands-on experience with security engineering, and the ability to design, implement, and maintain robust security controls in a complex enterprise environment. This role requires strong analytical capabilities, excellent communication skills, and a proactive mindset toward emerging threats and technologies.

Responsibilities

  • Leading and managing cybersecurity projects end-to-end, including architecture design, planning, deployment, and ongoing maintenance.
  • Develop, implement, and maintain security strategies, policies, and procedures to protect company systems, data, and infrastructure.
  • Ensure compliance with relevant industry standards, regulations, and legal requirements.
  • Design and implement security controls to mitigate identified risks across systems, networks, and applications.
  • Deliver security awareness and training programs to promote best practices across the organization.
  • Manage and optimize security infrastructure, including firewalls, IDS/IPS, encryption technologies, and endpoint protection.
  • Perform regular security assessments, penetration tests, and vulnerability scans; provide remediation guidance and follow-up.
  • Monitor and analyze security events and incidents, identifying threats and responding promptly to potential breaches.
  • Lead incident response activities, including investigation, root-cause analysis, containment, and recovery.
  • Identify and evaluate vulnerabilities across the IT landscape, recommending improvements and long-term security enhancements.
  • Stay current with cybersecurity trends, threat intelligence, and emerging technologies, ensuring continuous improvement of security posture.
  • Collaborate with IT, Infrastructure, and Application Development teams to integrate security into all stages of the system lifecycle.
  • Report to the IT Cybersecurity Team Leader and contribute to strategic security initiatives.

Requirements

  • 5+ years of experience in system administration (Windows & Linux).
  • 3+ years of experience as an IT Cybersecurity Engineer or in a similar security-focused role.
  • Proven experience in managing cybersecurity projects (architecture, planning, deployment, maintenance).
  • Strong background in security engineering, computer and network security, authentication, security protocols, and applied cryptography.
  • Hands-on experience with security tools and technologies, including firewalls, IDS/IPS, encryption, SIEM platforms, and vulnerability scanners.
  • Experience conducting vulnerability assessments, penetration testing, and infrastructure security testing.
  • Practical experience in incident detection, monitoring, and response.
  • Experience with web application security (HTTPS, PKI, IIS, Apache, WAF).
  • Good understanding of network protocols, routing, and switching.
  • Experience with cloud security (AWS, GCP, OCI) is a strong advantage.
  • Skills in scripting languages for automation and tooling.

We Offer

  • Relocation package
  • Job rotation
  • Learning through Arnia Academy
  • Attractive projects
  • Flexible working hours
  • Performance bonuses
  • Medical benefits
  • Trainings
  • Competitive compensation package
  • Referral program
  • International work experience

About the Company

[Company description if present]

Job Details

Company name:
Arnia Software
Location:
Romania
Employment Type:
Full-time
Work Mode:
On-site
Posted on TheJob:
Jul 18, 2026
Last checked:
Jul 18, 2026
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