Senior TS/SCI Cybersecurity Implementation Engineer

Si Tec Consulting; Springfield (VA); On-site; USD 140,000 - 190,000; Full time

Job summary

Si Tec Consulting seeks a Cybersecurity Implementation Engineer with an active TS/SCI clearance to design, deploy, and modernize enterprise security across on-premises and cloud environments. This hands-on role supports secure Windows and Linux platforms and drives security capabilities from design through implementation.

You will build, configure, and maintain cybersecurity infrastructure, engineer cloud solutions (EC2, EBS, ELB, S3, RDS), and lead security assessments and documentation to

Qualifications

• Active TS/SCI clearance with ability to obtain a polygraph.
• At least six years of network or cybersecurity engineering experience in large enterprise environments.
• Deep expertise in NDR, EDR, NGFW, IDS/IPS, F5, or email and web security gateways.
• Strong Windows, Linux, cloud infrastructure, networking, and security knowledge.
• Experience modernizing complex enterprise cybersecurity systems.
• DoD 8140/8570 IAT Level III and IASAE Level II compliant certifications.
• Ability to obtain CSSP Infrastructure Support certification within 120 days.

Responsibilities

• Build, configure, and maintain cybersecurity applications and infrastructure.
• Engineer cloud solutions using services such as EC2, EBS, ELB, S3, and RDS.
• Research and implement security upgrades and new capabilities.
• Recommend hardware, software, architecture, and capacity improvements.
• Create architecture diagrams, technical roadmaps, test plans, and implementation documentation.
• Coordinate security assessments and authorization activities.
• Troubleshoot complex infrastructure and application issues.
• Lead technical tasks when needed.

Skills

Cybersecurity

Cloud security

Windows

Linux

Networking

Security best practices

Education

DoD 8140/8570 IAT III

IASAE Level II

Tools

EC2

EBS

ELB

S3

RDS

F5

IDS/IPS

Job description

Si Tec Consulting seeks a Cybersecurity Implementation Engineer with an active TS/SCI clearance to design, deploy, and modernize enterprise security across on-premises and cloud environments. This hands-on role supports secure Windows and Linux platforms and drives security capabilities from design through implementation.

You will build, configure, and maintain cybersecurity infrastructure, engineer cloud solutions (EC2, EBS, ELB, S3, RDS), and lead security assessments and documentation to