1.
Skills
Core technical capabilities across Applied AI, Security Operations, Enterprise Infrastructure, and Automation.
1.01
Applied AI & LLM
- Core Skills: LLM Application Development · Prompt Engineering · LLM Evaluation · Prompt Stability Testing · Gemini API · LangChain · Ollama · Local LLM Inference · n8n AI Automation · Client-Side NLP.
- Capabilities: Evaluated 1,000+ prompt-response pairs for factuality and safety; deployed 2 live AI web apps testing model prompt stability and privacy-first workflows.
1.02
SecOps & Cybersecurity
- Core Skills: Tier-1 SOC Monitoring · SIEM · Threat Hunting · Incident Triage · Security Automation · Wazuh SIEM · FortiWeb WAF · SOP Incident Playbooks · Vulnerability Assessment · Server Hardening.
- Capabilities: Triaged 500+ daily security alerts across Wazuh SIEM and FortiWeb WAF; reduced simulated incident triage time by 45% using standardized SOP playbooks.
1.03
IT Infrastructure & Systems
- Core Skills: Linux Server · Windows Server · Docker · WSL · Systems Administration · Local Network (LAN/WAN) · Backup & Recovery · Database SQL.
- Capabilities: Maintained 99%+ operational uptime across 50+ enterprise endpoints, managing daily Linux/Windows server administration, network routing, and routine backup schedules.
1.04
Automation & Programming
- Core Skills: Python · TypeScript · Next.js · Streamlit · n8n Workflows · REST APIs · Web Development · Git & GitHub.
- Capabilities: Built and deployed 4 full-stack web applications and automated workflows, cutting recurring manual reporting time by up to 30% through REST API integrations.
relevant core capabilities
2.
Projects
Four publicly deployed technical projects.
2.01SecOps · Dashboard
SCOPS — Security Operations Automation Platform
- SOC triage dashboard with High/Medium/Low risk classification logic and Wazuh telemetry integration — reduced simulated MTTR by 45% versus manual triage.
- Turns raw telemetry into a queue an analyst can act on at a glance.
2.02SecOps · Streamlit
A.R.Y.A. — SOC Analytics & Threat Hunting
- SOC analytics & threat-hunting dashboard in Python/Streamlit with custom data pipelines and REST ingestion that parses and visualizes JSON/XML/CSV log payloads for Tier-1 analysts.
- Built so a Tier-1 analyst can read threat telemetry without a data-science background.
2.03AI · Web
PromptMatrix — LLM Evaluation & Prompt Stability Platform
- TypeScript, Next.js, LangChain and the Gemini API; tests prompt stability and output consistency across variants for instruction-following and strict JSON/schema format adherence.
- Quantifies prompt variant stability, drift risks, and strict JSON/schema format adherence before deployment.
2.04AI · Privacy-first
SmartExpenseML — Client-Side Expense Classifier
- Privacy-first client-side text classification engine that categorizes expenses from informal Indonesian currency inputs ("25rb", "5.5jt").
- No signup, no server, no tracking.
live public deployments
3.
Experiences
3.01
Mar 2026 – Present
Web Administrator (Contract) — Ministry of Environment
- Maintained 5+ containerized web services on Linux Server/WSL with Wazuh SIEM monitoring and server hardening.
- Streamlined telemetry analysis cut weekly manual log review time by 30%.
3.02
Oct 2025 – Dec 2025
Senior Programmer (Short-Term Contract) — Ministry of Home Affairs
- Developed backend components and 10+ REST API endpoints for a digital governance system processing 5,000+ daily records with secure data validation.
- Resolved critical data ingestion bottlenecks, maintaining 99.5% API reliability across high-volume transaction cycles.
3.03
Jan 2025 – Sep 2025
SOC Analyst (Part-Time) — PT. Prospera Consulting Engineers
- Developed 10+ Incident Response playbooks for Tier-1 analysts with structured threat containment and escalation pathways.
- Conducted Wazuh-based security baseline reviews and continuous vulnerability monitoring.
- Reduced MTTA (Mean Time to Acknowledge) by 55% across 500+ daily alerts after playbook rollout.
3.04
Oct 2024 – Dec 2024
Incident Handling Operational (Short-Term Contract) — Ministry of Home Affairs
- Shift operations and real-time threat monitoring with Wazuh SIEM and FortiWeb WAF — triaging 500+ security alerts a day.
- Restructured escalation pathways to maintain an average incident response time under 15 minutes from alert detection to containment.
3.05
Jun 2024 – Present
AI Trainer & LLM Evaluator (Freelance) — Multiple AI evaluation platforms
- Human-in-the-loop evaluation of model factuality, instruction-following, and safety; 1,000+ prompt-response pairs reviewed and scored against platform guidelines.
- Tested prompt stability and formatting adherence across 5+ major LLM model families to mitigate drift and hallucination.
3.06
May 2023 – Aug 2024
IT & Operations Manager (Full-Time) — ACE Ltd.
- Maintained 99%+ IT infrastructure uptime and network operations for a 50+ person engineering team.
- Built automated database reporting scripts, cutting manual data entry time by 40% for weekly operations.
3.07
Dec 2020 – Apr 2023
Project Office Manager (Contract) — Ministry of Public Works and Housing
- Coordinated IT support, network connectivity, and field equipment across 4 concurrent infrastructure project sites, supporting 30+ field personnel.
- Unified operational reporting across all 4 sites, reducing weekly data consolidation delays by 35%.
3.08
Jun 2020 – Nov 2020
Assistant to Office Manager (Short-Term Contract) — Nippon Koei Co., Ltd.
- Audited weekly budget variances and workflow tracking across 3 regional project teams with 100% on-time milestone reporting.
- Eliminated administrative bottlenecks to ensure zero milestone delivery delays for the irrigation modernization project.
3.09
Jun 2014 – Apr 2020
IT Manager (Full-Time) — PT. Dipta Safari Jaya
- Managed on-premise server fleet (3 core servers) and 40+ workstations over a 6-year tenure, maintaining 99%+ network availability.
- Implemented scheduled daily backup protocols, achieving 0 data-loss incidents throughout the entire 6-year operational period.
3.10
2002 – 2014
Early Career Experience (Full-Time) — PT. Laju Karunia Jaya · Arya Mobile
- Provided foundational IT support across 2 companies over a 12-year period, resolving 1,000+ hardware, OS, and network troubleshooting tickets.
- Built core operational mastery in LAN cabling, PC assembly, server maintenance, and end-user technical support.
4.
Recommendations
Four professional recommendations from prior projects and leadership tenures.
4.01
Recommendation
"Sigit handled our Docker server environments and Wazuh monitoring setup with great care. He is very reliable, quick to respond when telemetry alerts come in, and keeps everything running smoothly."
Project Team Leader — Jaelani — Ministry of Environment
4.02
Consultation Reference
"Sigit wrote practical Incident Response playbooks for our Tier-1 team and guided us through Wazuh-based pre-audit security reviews. He is organized, meticulous, and easy to work with."
SOC Lead — Reza Ahmad — Prospera project · Tier-1 team
4.03
Manager's Note
"Sigit took care of our office IT infrastructure for over 50 employees without any issues. He streamlined our reporting workflows and kept our daily technology operations running without a hitch."
HR Manager — Rahmat Hidayat — ACE Ltd
4.04
General Manager
"Sigit managed our company servers, local network, and hardware for 6 years. Whenever there was a network outage or hardware failure, Sigit was always there to fix it quickly."
General Manager — Sudjari — Dipta Safari Jaya
career timeline & milestones
5.
Education
Bachelor of Computer Science (S.Kom.) — Universitas Budi Luhur, Jakarta, Indonesia
6.
Languages
Indonesian: NativeEnglish: Professional Working Proficiency
7.
Certifications
AI & Automation
Microsoft Azure AI Fundamentals (AI-900) — Microsoft — 2025
LLM-Based Tools & Gemini API Integration for Data Scientists — Hacktiv8 — 2025
Business Automation with n8n — Kodeka Labs — 2025
Cybersecurity, SecOps & Infrastructure
Ubuntu Linux Professional Certification — Canonical — 2025
Penetration Testing Professional — Cybrary — 2025
Certified Ethical Hacker Foundation — LinkedIn Learning — 2025
Indonesia Cross-Sectoral Cyber Exercise #9 — BSSN — 2024
Certified SOC Analyst — Cyber Academy Indonesia — 2024
DevSecOps for Software Security & IT Auditor — Kelas.work — 2024