Uni Systems

About the Company

Uni Systems, a member of Quest Group, has been a reliable ICT partner to companies and organizations in the European market for over 60 years. We are the first IT company founded in Greece, in 1964, and we have been supporting our clients ever since. Trusting customers, extensive solutions offering, strong partnerships and experienced people, those are the main grounds for Uni Systems’ rapid expansion of operations across geographies and industries.

With more than 1450 specialized ICT professionals, established presence in more than 20 countries, and branches and subsidiaries in the heart of the European Union (Athens, Barcelona, Brussels, Bucharest, Luxembourg and Milan), we are effectively addressing the needs of European and International organizations and institutions and delivering value-added integrated solutions to our customers.
Through our strong industrial vertical expertise, supported by the range of our horizontal solutions, we hold a substantial and successful track record in the delivery and implementation of large-scale, mission-critical projects in the sectors of Banking & Finance, Enterprise & Utilities, Government, and Telecommunications, as well as in EU Institutions and Agencies.
Participations in real commercial implementations of best practices (i.e. ITIL, RUP, PRINCE2, PMI), has provided our people with significant experience, unique know-how and proven capability in designing, implementing and successfully supporting complex ICT projects, through a range of solutions and business areas.
At Uni Systems, we support innovation, and we have been investing in the European and National research ecosystem. Our Research and Innovation (RDI) department has been successfully bidding and winning a series of research programs in promising technological areas, such as 5G, AI in Health, and Blockchain in Governance.

Enabling our clients' digital transformation journey is our passion and we remain strongly committed to it.

Listed Jobs

Company Name

Uni Systems

Job Title

PKI Infrastructure Specialist

Job Description

At Uni Systems, we are working towards turning digital visions into reality. We are continuously growing, and we are looking for a PKI Infrastructure Specialist to join our UniQue team.
What will you be bringing to the team?
Lead the design, implementation, and continuous improvement of enterprise PKI solutions, including Certificate Authorities (CAs), Registration Authorities (RAs), and Hardware Security Modules (HSMs).
Define and enforce PKI security policies, standards, and best practices.
Develop a strategic roadmap for PKI evolution, including cloud-based cryptographic services and post-quantum cryptography readiness.
Install, configure, and maintain the day-to-day wide PKI systems, components, and virtualized infrastructure.
Install, configure, and maintain NPKI networking components, hardware infrastructure, LDAP directory service, and support HTTP service.
Responsible for Enterprise Mobile Mobility and LDAP directory service configuration, integration, and maintenance.
In charge of the Online Certificate Status Protocol (OCSP) and Time Stamp management.
Responsible for Database maintenance, dedicated to NPKI.
Manage, deploy, and integrate the Card Management System.
Upgrade and manage the HSM firmware.
Responsible for the creation of PKI-related guidance.
In charge of the Certificate Authority Log analysis, (Troubleshoot the system ALARM/ERRORS and monitor user activity).
Support the Smart Card enrolment and certificate creation process.
Maintain the day-to-day operations/management /backup/restore of the PKI systems.
Provide technical support and assistance to ITM Operating Authorities and NPKI-Mitigation project team.
Provide 2nd- and 3rd-level technical support for CIS services to NPKI customers.
Design new PKI components and install and maintain NPKI components.
Responsible for the creation and maintenance of Standard Operating Procedures.
Document all new PKI services.


Requirements

What do you need to succeed in this position?
Bachelor's degree
5 years of extensive experience with PKI System development, design, and management.
Extensive knowledge of modern communication and Internet Protocol (IP) based networking technologies and systems, including security aspects.
Extensive knowledge of Information Security and Cryptography (symmetric and asymmetric encryption, public key infrastructure (PKI) encryption, public key encryption, hash functions, digital signatures, digital certificates).
Ability to define and execute PKI strategies at an enterprise level.
Working knowledge of router and switch configuration.
Practical experience in Windows Servers, RHEL, and VMware system administration.
Knowledge of the principles of computer and communications security, networking, and vulnerabilities of modern operating systems and applications.
Experience with SQL database administration.
Extensive experience in operating systems, backup, and restore.
Practical experience with scripting (Python, PowerShell).
Hands-on experience with SSL, TLS, and OpenSSL.
Strong analytical and problem-solving skills with a risk-based approach to security.
Excellent communication skills to engage both technical and executive stakeholders.
Experience in mentoring teams and driving security best practices across project teams.
Desirable Experience with VMware (VCA, VCP) and Linux RHEL system administration and CISCO CCNA.
Certifications such as Microsoft Certified Solution Associate (MCSA), Microsoft Certified Solutions Expert (MCSE) would be a plus.
Flexibility to work outside normal office hours in response to crises, operational requirements.
Excellent use of the English language (verbal & written).

At Uni Systems, we are providing equal employment opportunities and banning any form of discrimination on grounds of gender, religion, race, color, nationality, disability, social class, political beliefs, age, marital status, sexual orientation, or any other characteristics. Take a look at our Diversity, Equality & Inclusion Policy for more information.

Mons, Belgium

On site

31-03-2025

Company Name

Uni Systems

Job Title

Security Manager

Job Description

At Uni Systems, we are working towards turning digital visions into reality. We are continuously growing and we are looking for a Security Manager to join our UniQue team in Strasbourg.
What will you be doing in this role?
Work closely with software development teams or contractors to ensure secure coding practices are followed throughout the software development lifecycle (SDLC).
Review code for vulnerabilities and recommend secure coding standards.
Conduct security risk assessments on new and existing applications, focusing on potential threats and weaknesses.
Support DevSecOps practices by integrating security into CI/CD pipelines.
Support in integrating the security tools in the CI/CD pipelines.
Ensure compliance with relevant industry standards and regulations (e.g., EU DPR, ISO 27001, NIST).
Collaborate on security documentation, including policies, procedures, and risk assessments.
Educate and train staff on secure development and security best practices.


Requirements

What will you be bringing to the team?
Possess at least a High School diploma
Minimum 10 years of experience in IT.
At least 7 years of experience in dealing with ICT security issues.
Demonstrated experience in conducting comprehensive security assessments of ICT projects and systems, utilizing standards such as ISO 15408 and ISO 2700x or equivalent.
Ability to collaborate with multidisciplinary project teams to ensure consistent application of security policies, measures, and standards across all technology initiatives, systems, and services, both on-premises and in the cloud.
Experience partnering with developers to integrate security checkpoints throughout the Software Development Lifecycle (SDLC), following industry-accepted standards such as NIST SP 800-115 and/or ISO security guidelines.
Proficiency in performing System Security Risk Assessments.
Expertise in preparing and submitting security-related documentation, including vulnerability assessments.
Capability to develop secure coding practices in alignment with organizational strategy and security framework.
Experience in supporting DevSecOps practices by embedding security within CI/CD pipelines, performing code reviews for vulnerabilities, and recommending secure coding standards.
Skill in educating and training staff on secure development methodologies and best practices in security.
Proficiency in English language at a minimum B2 level.


At Uni Systems, we are providing equal employment opportunities and banning any form of discrimination on grounds of gender, religion, race, color, nationality, disability, social class, political beliefs, age, marital status, sexual orientation or any other characteristics. Take a look at our Diversity, Equality & Inclusion Policy for more information.

Strasbourg, France

Hybrid

01-04-2025

Company Name

Uni Systems

Job Title

AWS Cloud Engineer

Job Description

At Uni Systems, we are working towards turning digital visions into reality. We are continuously growing and we are looking for a AWS Cloud Engineer to join our UniQue team in Braine-l'Alleud, Belgium!
What will you be doing in this role:
Administer, configure, and manage AWS services such as EC2, S3, RDS, IAM, and VPC.
Provide Level 2/3 support for AWS-related issues, investigating and resolving operational problems in a timely manner.
Provision and maintain virtual machines, storage, and databases on AWS, ensuring high availability and performance.
Manage and optimize AWS networking components like VPCs, subnets, route tables, VPNs, and Direct Connect.
Automate the deployment and management of AWS resources using AWS CloudFormation, Terraform, or similar tools.
Develop scripts (Python, Bash, PowerShell) to automate routine tasks, such as instance management, backups, and scaling


Requirements

What do you need to succeed in this position?
Graduate degree in Computer and Information Systems Technology or an equivalent level of qualification or professional accreditation by a related engineering Institute or professional body
Experience with Amazon AWS cloud environment (IAM, EC2, ALB, Cloudfront, Cloudformation, WAF, Monitoring, Storage, Cognito)
Hands-on experience with Kubernetes clusters and Docker containers
Experience with DevOps practices, including continuous integration and continuous deployment (CI/CD).
Proficiency in managing and securing VPC networks, firewalls, and access control.
Knowledge of monitoring and logging tools (CloudWatch, ELK Stack, Prometheus).
Fluent English in both spoken and written.

Braine-L’Alleud, Belgium

On site

02-04-2025

Company Name

Uni Systems

Job Title

Senior Cloud Engineer

Job Description

At Uni Systems, we are working towards turning digital visions into reality. We are continuously growing and we are looking for a Senior Cloud Engineer to join our UniQue team.
What will you be doing in this role?
Design, build, and maintain Continuous Integration/Continuous Deployment (CI/CD) pipelines using GitHub Actions, Jenkins, Maven, SonarQube for efficient and automated software deployment.
Provide deployment support across environments, leveraging Red Hat Cluster Manager for orchestration and Openshift/Kubernetes for containerization and application deployment.
Work with Docker and Openshift to build, deploy, and manage containerized applications.
Configure and support ServiceMesh technology, ensuring secure and efficient service communication in microservices architectures.
Handle deployments and builds in an on-prem VMware environment.
Participate in design discussions and provide technical recommendations for CI/CD, infrastructure, and application deployment.
Provide ongoing support for applications after deployment, including troubleshooting, monitoring, and optimization.
Leverage tools such as SonarQube for quality assurance, ensuring the integrity and security of deployed code.
Provide hands-on support to the deployment team, including participating in troubleshooting sessions and reviewing infrastructure-related documentation.
Interpret the application development, operations, and infrastructure implications of proposed solutions.
Utilize architect solutions to implement end-to-end technology solutions that address client business challenges.
Assess and optimize IT infrastructure, operations, and service delivery to improve efficiency and performance.
Assist in designing and managing the implementation of new technologies, ensuring timely delivery and alignment with project objectives.


Requirements

What do you need to succeed in this position?
At least 10 years of experience in a relevant industry, business consulting, or technical consulting.
Strong experience with Continuous Integration of Java applications with Maven (GitHub Actions / Jenkins / Maven / SonarQube).
Advanced experience with container orchestration and deployment (Kubernetes, Service mesh, Helm).
Strong experience with Artefact repositories (Artifactory, Nexus).
Experience with Cloud infrastructure and cloud platforms.
Strong interest in infrastructure technologies and willingness to learn.
Experience in data networking technologies including protocols, design, security and business continuity preferred.
Experience of working in an agile software development environment.
Knowledge of security best practices and tools.

Desirable:
Experience in development of Java/Maven/SpringBoot applications.
Experience with Red Hat OpenShift.
Experience with Azure Cloud provider.
Experience with GitHub actions.


At Uni Systems, we are providing equal employment opportunities and banning any form of discrimination on grounds of gender, religion, race, color, nationality, disability, social class, political beliefs, age, marital status, sexual orientation or any other characteristics. Take a look at our Diversity, Equality & Inclusion Policy for more information.

Strasbourg, France

On site

03-04-2025