AI & Automation Specialist (Security / Ops) at Ascentech Services Limited

Ascentech Services Limited is a trusted human resource solutions provider, incorporated in 2013 and headquartered in Lagos, Nigeria. We work closely with organizations to deliver flexible and effective services that meet the evolving demands of modern businesses.

We are currently hiring for the position below:

Job Title: AI & Automation Specialist (Security / Operations)

Location: Surulere, Lagos

Employment Type: Full-time

Job Summary

This position offers an opportunity to design, build and maintain AI-driven solutions that strengthen cybersecurity, improve security operations, and automate incident response. The successful candidate will bring hands-on experience with large language models (LLMs), Retrieval-Augmented Generation (RAG), and CI/CD practices, along with a strong understanding of security principles.

Key Responsibilities

• Design and deploy RAG pipelines, including document ingestion, preprocessing, embeddings, secure querying and management of vector databases such as Chroma, Pinecone or Weaviate.
• Develop and maintain production-ready LLM prompt templates, system prompts and metadata strategies to deliver accurate, relevant and secure model outputs.
• Establish a governance framework for model selection, performance evaluation, version tracking, bias and safety checks, and production approvals.
• Integrate LLM agents securely with security tools (Rapid7, SecPod, Sophos) and ticketing systems (JIRA, ServiceNow) using APIs and validated playbooks.
• Build and manage MLOps pipelines to support CI/CD for prompts and models, automated testing, monitoring, retraining and drift management.
• Implement robust data protection controls for sensitive information, including encryption, redaction and policy enforcement.
• Develop human-in-the-loop processes for feedback collection, annotation tooling and supervised fine-tuning to improve model performance.
• Create and maintain operational runbooks, incident response playbooks, rate-limiting and verification procedures to prevent misuse.
• Collaborate with Security Operations Center, Detection Engineering, Infrastructure and Development teams to embed model outputs into detection rules and automated remediation with role-based access control.
• Provide mentorship to junior engineers on prompt engineering, embedding methods and secure production-grade AI deployment practices.

Required Skills and Qualifications

• HND or Bachelor’s degree.
• Three to five years of proven experience as an AI Automation Specialist, AI Security Engineer or a related role.
• Strong expertise in designing and implementing RAG solutions and vector database technologies (Chroma, Pinecone or Weaviate).
• Proficiency in Python, MLOps practices, CI/CD and model monitoring.
• Experience integrating automation with security tools, ticketing systems and business intelligence platforms (Power BI) through APIs.
• In-depth knowledge of security best practices, data protection for sensitive information and compliance requirements.
• Excellent problem-solving, communication and teamwork skills.

Salary

₦500,000 per month

Application Closing Date

29 September 2025

How to Apply

Interested and qualified candidates should send their CV using the job title as the subject line of the email.