Network Security Architect (EPAM SISTEMOS, UAB)

Job description:
We are seeking a Network Security Architect to support a major digital transformation aimed at enhancing customer experience and modernizing operations within the banking sector. In this role, you will design and implement secure, resilient network solutions for digital banking initiatives.
This position offers hybrid setup with the flexibility to work from any location in Latvia, whether it's your home or our office in Riga.
Produce (and guide teams producing) As-Is Security Architecture assessments, Target Security Architectures, and High-Level Security Design Documents and LLDs for major banking change programs
Deliver security designs across REST APIs, Microservices, and eventing, batch, integration gateways, and secure data flows within highly regulated payments environments
Assess solution designs created by Payments Architects, identify security gaps, evaluate risk, and recommend secure design patterns
Track and manage security design decisions, articulate risk-based options, and negotiate with Technology, Business and Risk stakeholders
Dig into technical details including protocols, data flows, infrastructure, APIs, application behaviours, and implementation constraints
Influence teams and stakeholders on secure-by-design principles through clear verbal and written communication
Support large banking transformation programs in a Security Architecture capacity
Secure cloud, container, and hybrid platforms leveraging OpenShift, Kubernetes, and service mesh
Requirements:
7+ years of experience in network security management
Knowledge of Irish and European financial regulations, including PSD2/RTS SCA, SWIFT CSP, and PCI DSS
Understanding of EBA guidelines and local regulators
Deep expertise in core security standards and mechanisms, including OAUTH2, OIDC, and SAML2
Proficiency in MTLS/PKI, encryption, and tokenisation
Familiarity with HSMs, secrets management, network zoning, and firewall rules
Background in large banking transformation programs in a Security Architecture role
Skills in securing cloud, container, and hybrid platforms (OpenShift, Kubernetes, service mesh)
Relevant architecture certification (SABSA preferred, TOGAF or equivalent acceptable)
Excellent command of written and spoken English (B2+ level)
Nice to have
Security oversight or design experience on payment engines/platforms (FIS, ACI, Temenos, Finastra, etc.)
Full-stack or application engineering background prior to moving into Security Architecture
Capability to define Infrastructure Security Architectures for high availability, resilience, and operational risk controls (WAF, DDoS, SIEM)
Experience designing secure data architectures, data classifications, key entity protection, and secure migration approaches
Exposure to DevSecOps practices, CI/CD security tooling, and software supply chain protections
Company offers:
Engineering Heritage: Best-in-class experts sharing a culture of engineering excellence and tackling complex engineering challenges…