Sr Information Systems Security Engineer [$235k/yr+] TS/SCI-FSP with Security Clearance

SYSTOLICAnnapolis Junction, MD🇺🇸United StatesPosted Oct 5, 2026

Why This Role Stands Out

Leverage your extensive experience to design and implement robust security architectures for critical systems, contributing directly to national security initiatives in a hybrid environment. This mid-senior role offers significant growth potential and a competitive salary of $235k+, making it an ideal opportunity for seasoned ISSE professionals with an active TS/SCI-FSP clearance who thrive on complex challenges and impactful work. Apply today to join a mission-focused team dedicated to excellence and employee experience.

Quick Overview

Salary

$235k/yr

Seniority

Mid Senior

Employment type

Employee

Work mode

Hybrid

Location

Annapolis Junction, MD, United States

Posted

3 days ago

AgilePKIPenetration Testing

Job Description

Candidates must already possess an active Top Secret/SCI w/ Full Scope Polygraph to be considered.

Summary: • Perform Information System Security Engineering (ISSE) responsibilities across large-scale distributed architectures. • Validate and verify security requirements, establish robust system security designs, and apply the Risk Management Framework. • Perform vulnerability and penetration testing utilizing tools such as Nessus, NMAP, and Wireshark.

Qualifications && Compensation: • Degree: Technical bachelor's degree or equivalent experience • Years of experience: 20+ years • Total Compensation: $235k+ yearly (tentative) Job Description: • Validate and verify system security requirements and establish system security designs for large-scale, geographically distributed systems. • Identify, recommend, and implement enterprise information security architectures, technical solutions, and standards. • Assess and mitigate system security threats, vulnerabilities, and risks throughout the program lifecycle using RMF. • Lead and contribute to security planning, risk management, security contr ol assessment, and continuous monitoring activities. • Collaborate with Agile development, system engineering, and test teams to ensure hardware/software implementations adhere to security compliance policies. • Audit and evaluate system security configurations, critical software, web services, PKI, and cryptographic implementations. • Provide software configuration management support for security-relevant assets and conduct security verification testing.

About SYSTOLIC: SYSTOLIC is dedicated to giving our employees the best possible company experience so that they can focus on providing outstanding support to their customer’s mission. Our company is founded on integrity, enthusiasm, and a relentless commitment to supporting the Intelligence Community. You can learn more about us and submit an application to be considered against our current and future openings at https://systolic.com. To learn about our compensation ranges, visit our

Pay Transparency page at: https://systolic.com/pay-transparency