Senior Systems Architect — Hands-on, Government/Defense

ALTROCKS TECH PTE. LTD.; Singapore; On-site; SGD 180,000 - 240,000; Full time

Job summary

ALTROCKS TECH PTE. LTD. in Singapore seeks a senior software architect to lead system design across large-scale projects. You will own architectural decisions, oversee end-to-end delivery, and stay hands-on with core development to ensure robust, secure solutions.

Candidates should have 8+ years in software engineering with 3+ years as architect, and experience in government/defense domains or critical infrastructure is preferred.

Qualifications

• Bachelors degree in Computer Science or Software Engineering or equivalent.
• 8+ years in software/system development; 3+ years as architect.
• Proven lead-architect on at least 2 end-to-end systems (govt/defense preferred).
• Hands-on coding across Java, C#, C++, Python; actively debugs.

Skills

Software architecture

Lead architect experience

Hands-on development

System integration

Linux/Windows & virtualization

Security & compliance (govt)

Technical storytelling

C2/ sensor / GIS experience

TOGAF / CISSP (certs)

Education

Degree in Computer Science or Software Engineering

TOGAF / CISSP or similar certifications

Job description

ALTROCKS TECH PTE. LTD. in Singapore seeks a senior software architect to lead system design across large-scale projects. You will own architectural decisions, oversee end-to-end delivery, and stay hands-on with core development to ensure robust, secure solutions.

Candidates should have 8+ years in software engineering with 3+ years as architect, and experience in government/defense domains or critical infrastructure is preferred.