Senior Cybersecurity Implementation Engineer (TS/SCI)

SITEC Consulting, LLC.; Springfield (VA); On-site; USD 150,000 - 190,000; Full time

Job summary

SITEC Consulting, LLC is seeking a seasoned cybersecurity engineer with an active TS/SCI clearance to design, deploy, and modernize enterprise security across on-premises and cloud environments.

The role emphasizes Windows and Linux platforms, cloud services, security assessments, and documentation. Requires six+ years of experience and DoD 8140/8570 IAT Level III and IASAE Level II certifications, with CSSP Infrastructure Support certification within 120 days.

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 modern cybersecurity technologies and defense-in-depth strategies.

Responsibilities

• Build, configure, and maintain cybersecurity applications and infrastructure.
• Engineer cloud solutions using 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

TS/SCI clearance

Cybersecurity engineering

Cloud infrastructure

Windows and Linux

Security architecture

Tools

EC2

EBS

ELB

S3

RDS

Job description

SITEC Consulting, LLC is seeking a seasoned cybersecurity engineer with an active TS/SCI clearance to design, deploy, and modernize enterprise security across on-premises and cloud environments.

The role emphasizes Windows and Linux platforms, cloud services, security assessments, and documentation. Requires six+ years of experience and DoD 8140/8570 IAT Level III and IASAE Level II certifications, with CSSP Infrastructure Support certification within 120 days.