Classified Systems Specialist (Defence & Security)

Spyro Soft; Wrocław; On-site; PLN 180,000 - 240,000; Full time

Job summary

Spyrosoft Solutions is expanding its defence & security work within the Spyrosoft Defence & Aerospace Business Unit. We are seeking experts to support the design, accreditation, and operation of highly secure, classified systems in line with national and international standards.

You will work on architecture, network security, cryptography, risk management, and compliance tasks across isolated environments, coordinating with auditors and authorities to ensure robust security postures.

Qualifications

• Security clearance at TAJNE / NATO SECRET / SECRET UE / EU SECRET, or willingness to undergo clearance.
• Knowledge of ISO/NIST/NATO INFOSEC standards.
• Experience with classification and access management.
• Ability to justify technical solutions in classified environments.

Responsibilities

• Management of classified systems.
• Knowledge of Polish regulations concerning protection of classified information.
• Knowledge of security accreditation procedures for classified systems.
• Information classification and access management.
• Cooperation with auditors and government authorities.
• Documentation of design decisions related to data security.
• Ability to justify selected technical solutions in classified systems.
• Ability to manage procedures related to design, certification, and accreditation of classified systems.
• Creation of documentation for secure systems (security policies, SSR, SOP).
• Configuration management for projects and classified systems.
• Conducting audits and inspections of classified systems.
• Training integrators and users of classified systems.

Skills

Classified systems design

Secure by design

Threat modeling

OS hardening

Security documentation

Security accreditation

Incident management

Secure SDLC

Auditing coordination

Network security hardening

Tools

TEMPEST

EMC emissions

SBOM

Job description

Project description:

At Spyrosoft Solutions, we are expanding our activities in the defence & security sectors at Spyrosoft Defence & Aerospace Business Unit. As we launch new projects and engage with prospective customers, we are looking for experienced professionals who can support the design, accreditation, and operation of highly secure and classified systems in compliance with national and international security standards.

Main responsibilities:

• Management of classified systems

• Knowledge of Polish regulations concerning the protection of classified information

• Knowledge of security accreditation procedures for classified systems

• Information classification and access management

• Cooperation with auditors and government authorities

• Documentation of design decisions related to data security

• Ability to justify selected technical solutions in classified systems

• Ability to manage procedures related to the design, certification, and accreditation of classified systems

• Ability to create documentation for secure systems, including security policies and procedures, such as Special Security Requirements (SSR) and Secure Operating Procedures (SOP)

• Configuration management for projects and classified systems

• Conducting audits and inspections of classified systems

• Training integrators and users of classified systems

Requirements:

Classified Systems Architecture

System Architecture

• Knowledge and ability to design classified system architectures, including:

  • Stand‑alone systems vs. segregated networks

  • Air‑gapped environments and controlled data transfers

  • Network segmentation

  • Defense‑in‑depth strategies

  • Threat modeling

  • Secure by design / secure by default approaches

  • OS hardening

  • System integrity control

  • Minimization of the Trusted Computing Base (TCB) in High Assurance Systems (HAS)

  • Integration and configuration in closed environments

  • Selection of system components (e.g., TEMPEST, EMC emissions, data media protection, etc.)

  • Patch and update management in isolated environments

Networking

• Design of high‑security networks

• Network traffic analysis

• Network security hardening

Cryptography

• Knowledge of cryptographic techniques

• Key generation and secure storage

• Implementation of cryptography in compliance with government requirements

• Cryptographic key lifecycle management

Physical Security

• Basic knowledge of security zones/protected areas

• Basic knowledge of physical access control systems

System Assessment & Cybersecurity

• Evaluation of system components

• Knowledge of Secure SDLC

• Dependency management (VM/VA, SBOM)

• Integration of components in isolated environments

• Knowledge of techniques used in cybersecurity testing

• Planning and supervision of tests confirming achievement and maintenance of the required security level for classified systems

• Verification of cybersecurity test reports

Risk & Incident Management

• Knowledge of incident management procedures

• Reporting to relevant authorities

• Planning and supervision of incident response (IR) procedures

• Threat identification

• Risk analysis (qualitative and quantitative)

• Selection of security controls

• Residual risk acceptance

Other Requirements

• Strong communication skills within project teams

• Communication with clients

• Communication with certification and/or accreditation bodies

• Preparation of customer proposals/offers

Security Clearance

• Personal security clearance at the level of:

  • TAJNE

  • NATO SECRET

  • SECRET UE / EU SECRET

• or willingness to undergo a security clearance procedure

Standards & Regulations

• Knowledge of:

  • ISO/IEC 27000 series

  • ISO/IEC 15408

  • NATO INFOSEC / cryptographic standards

  • Security Policy

  • NIS2

  • CRA

  • NIST

  • NATO/STANAG

Languages

• Polish - C2

• English - C1

Additional Advantages

• Experience working with public administration, defense, and/or the security sector