Security & network admin

Vallettasoftware - custom mobile/web software developer in the US and Europe. Our teams implement IT projects of varying complexity, including website and mobile app development, enterprise systems, and solutions based on artificial intelligence and machine learning (AI/ML).

Our company has earned a place among Clutch's Fall 2025 Champions. These awards confirm that we are a Top 15 AI Agent Developing companies!

Now we’re looking for a strong Security & network admin developer to boost the client's team.

Main Responsibilities

Seeking a professional with 5+ years of hands-on experience in security and network administration within organizations of 1,000+ employees. Role focuses on security operations and execution: implementing technical controls, remediation actions, and maintaining hybrid infrastructure (Azure/AWS/On-Prem).

Security

• Identity & Cloud: Entra ID (CA, MFA, PIM), Azure/AWS security (CSPM), email security gateway, NAC, Microsoft Defender XDR

• Endpoint Hardening: CIS baselines for Windows/macOS/Linux, EDR, endpoint isolation

• Vulnerability Management: vulnerability scanning

Network

• Configure and maintain Firewalls, Switches, Routers, IPsec VPNs

• Segmentation, monitoring, high availability

Key Requirements

• 5+ years of experience (Security + Network) — Must

• Experience in companies with 1,000+ employees — Must

• Proven hands-on experience: Entra ID, Defender XDR, EDR, Azure/AWS, CSPM, NAC, Firewalls

• Hardening Windows/macOS/Linux

• Strong verbal communication skills in English — Must

• Willingness to respond to security events outside business hours — Must

Nice to Have

• Professional certifications (CCSP, CISSP)

• Experience in regulated/compliance-driven environments

• Experience with global or multi-region infrastructures

Personal Attributes

Execution-oriented, calm under pressure, self-learner, detail-oriented, ownership mindset.

🌍 Joining Valletta Software Development means:

A Global, Thriving Team

Join 100+ specialists from 20+ countries, united by a passion for outstanding IT solutions.

Diverse projects: Fintech, MedTech, AI/ML, e-commerce, and more. Switch teams or industries to broaden your skills.

Support at Every Step Client interview prep: We train you to succeed + give actionable feedback.

Strategic stability: Well-structured processes, strong management, and long- term vision.

Core values: Honesty, flexibility, innovation, and a people-first approach.

Regular salary review based on your personal results

Paid rest days and sick leave.