Millennium-

Red Team Security Engineer III

Open 129d North America

Bash Business Development Cissp Cybersecurity Linux +9 skills

Performs advanced penetration testing and red team operations for government clients, developing custom tools and emulating adversarial tactics while maintaining active security clearances.

Red Team Security Engineer II

Open 129d North America

Bash Business Development Cissp Cybersecurity Linux +9 skills

Performs penetration testing, develops custom attack tools, and researches new threats for government and defense clients using Kali Linux, Metasploit, and scripting languages like Python.

Red Team Security Engineer I

Open 129d North America

Bash Business Development Cissp Cybersecurity Linux +9 skills

Performs offensive security testing for government clients, developing custom tools and emulating adversarial tactics to uncover vulnerabilities in networks and applications.

Open 113d North AmericaContract

Systems Engineer

Agile Business Development CI/CD Cloud Cybersecurity +6 skills

On-site Systems Engineer at Hanscom AFB supporting DoD systems engineering across the acquisition lifecycle — requirements analysis, architecture definition, MBSE, modeling/simulation, and integration across the DAF C3BM enterprise. Requires an active Top Secret clearance with SCI eligibility; salary $115,000-$123,000.

115K – 123K $

Red Team Network Engineer

Open 93d North America

Active Directory Ansible Business Development Cisco Cybersecurity +22 skills

Designs and maintains secure, isolated network infrastructure for cybersecurity Red Team operations, including routing, switching, and virtualization, requiring an active Secret clearance with TS/SCI eligibility.

150K – 170K $

Open 81d North AmericaContract

AI-Focused Red Team Operator

Agentic AI AI Analytics Automation Bash +17 skills

Red Team operator specializing in AI security, testing AI-enabled systems for vulnerabilities like prompt injection and model manipulation while using AI to automate cyber operations.

130K – 133K $

Red Team Security Engineer II

Open 58d North America

Bash Business Development Ccna Cybersecurity Linux +6 skills

Conducts offensive security assessments and penetration testing to simulate advanced adversary tactics, developing custom tools and analyzing network traffic for federal/government clients.

120K – 146K $

Open 57d RemoteNorth America

Software Test Engineer

AWS Business Development Cloud Cybersecurity Integration Testing +2 skills

A remote Software Test Engineer III plans, designs, and executes software tests (manual and automated) for DoD and federal cybersecurity programs, supporting DoD T&E processes and the Risk Management Framework.

115K – 120K $

Open 31d North AmericaContract

Deputy Solution Architect

Agile Business Development Cism Cissp Cybersecurity +4 skills

A Deputy Solution Architect supports the Lead Solution Architect in designing a secure, high-cadence 'System-of-Systems' enterprise architecture for the Marine Corps Enterprise Network (MCEN), using SAFe practices to manage solution intent, traceability, integration, and PI roadmaps/backlogs. Requires an active TS/SCI clearance, strong IT architecture experience, and DevSecOps/Agile knowledge.

145K – 155K $

Open 29d RemoteNorth AmericaContract

Director, Customer Solutions – Navy

Business Development Cybersecurity Networking Threat Intelligence

Overview Millennium is proud to be part of the Markon enterprise, a network of specialized organizations united in support of critical national security missions. This partnership strengthens our ability to deliver…

Open 28d RemoteNorth America

Cybersecurity Engineer – DevSecOps

Business Development CI/CD Container Security Cybersecurity DAST +8 skills

100% remote Cybersecurity Engineer (DevSecOps) supporting DoD/DoN software assurance: embedding security across the SDLC via SAST/DAST, GitLab security reviews, NeuVector container security, DISA STIG/SRG compliance, and RMF artifacts. Requires an active Secret clearance and an IAM Level II cert (CISSP/CISM/GSLC). Pays $125k-$135k.

125K – 135K $

Red Team Security Engineer

Open 16d North America

Business Development Ccna Cissp Cybersecurity Intrusion Detection +3 skills

Hybrid (Washington, DC) Red Team Security Engineer at a government cybersecurity contractor running offensive red team operations for DoD and federal customers — monitoring and detecting cyber incidents, performing vulnerability/risk assessments, implementing intrusion detection, supporting SOC/Blue teams, and designing secure IA architectures. Requires active TS/SCI with CI Poly; pays $135K–$145K

135K – 145K $

NewBe an early applicant North America

Systems Engineer

Business Development Cybersecurity Risk Assessment SaaS Threat Intelligence +1 skills

Systems engineer supporting full-lifecycle engineering — requirements analysis, design, integration, testing, and production deployment — on cybersecurity programs for DoD and federal customers. Heavy focus on technical documentation, configuration management, and hardware/software integration; requires an active Secret clearance.

145K – 155K $

3 weeks ago

Red Team Security Engineer

Open 51d North America

Bash Business Development Cissp Cybersecurity Linux +10 skills

A Red Team Security Engineer II in Huntsville, AL who conducts penetration tests of global customer networks (primarily DoD/federal), develops exploit tools, researches attack techniques, and builds representative test environments. Requires an active Secret clearance (TS/SCI eligibility), CEH & CISSP certs, and hands-on skills with offensive tooling like Kali, Metasploit, and CobaltStrike.

135K – 141K $