Information Systems Security Engineer

Science Applications International Corp

Reston, VA

JOB DETAILS
SKILLS
Air Force, CCNP - Cisco Certified Network Professional, CCSP - Cisco Certified Security Professional, CISA - Certified Information Systems Auditor, CISSP - Certified Information Systems Security Professional, Certification & Accreditation Process (C&A), Cloud Computing, Communication Skills, Computer Science, Computer Security, Configuration Management, Cross-Functional, Cryptography, Data Quality, Detail Oriented, Emerging Technology, Establish Priorities, Firewalls, Government Standards, Information Systems Security Engineering (ISSE), Information Technology & Information Systems, Information/Data Security (InfoSec), Internet Security, Intrusion Detection Systems, Maintain Compliance, Operating Systems, Organizational Skills, Penetration Testing, Policy Development, Problem Solving Skills, Procedure Development, Professional Services, Regulatory Compliance, Risk, Risk Analysis, Risk Management Framework (RMF), Security Auditing, Security Monitoring, Sensitive Compartmented Information (SCI), Software Engineering, System Integration (SI), System Lifecycle, Systems Administration/Management, Team Lead/Manager, Testing, Time Management, Top Secret Clearance, U.S. National Institute of Standards and Technology (NIST), Validation Testing, Vulnerability Scanners, Work From Home
LOCATION
Reston, VA
POSTED
6 days ago

Information Systems Security Engineer

Job ID: 2613566

Location: Reston, VA, United States

Date Posted: Jun 10, 2026

Category: Cyber

Subcategory: Cyber Engineer

Schedule: Full-Time

Shift: Day Job

Travel: Yes - 10% of the time

Minimum Clearance Required: TS.SCI

Clearance Level Must Be Able to Obtain: None

Potential for Remote Work: Hybrid

Benefits: Click here

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Job Description

Description

SAIC is seeking a highly motivated, detail-oriented, and experienced Information Systems Security Engineer (ISSE) to join our lead systems integrator team in Arlington, Virginia. The ISSE will be responsible for evaluating system vulnerabilities, deploying firewalls and encryption, monitoring for breaches, and developing security policies to ensure data integrity and confidentiality. The ISSE will implement the cybersecurity posture and ensure compliance of classified information systems in support of Department of the Air Force's (DAF) Cloud-Base Command and Control (CBC2) Program. The ideal candidate will have a strong technical background in information security and a thorough understanding of certification and accreditation process IAW NIST 800-53 and the Risk Management Framework (RMF). The successful candidate will have excellent communication, organizational and problem-solving skills. They will be expected to continually balance and adjust work priorities to meet short deadlines.

The position is a hybrid position in Arlington, VA.

Key Responsibilities

  • Develops and implements security designs to ensure that the operating systems and software applications adequately address cyber security requirements.

  • Implement and validate Security Technical Implementation Guide (STIG) requirements and/or perform SRG assessments for all development and implementation projects.

  • Develop Security Test Procedures (STP), conducts self-assessments to verify compliance with required configuration guidance and support assessment and authorization testing and validation of security designs.

  • Perform risk assessments, vulnerability assessments, and security audits to identify system vulnerabilities and provide remediation strategies.

  • Collaborate with Information Systems Security Managers (ISSMs) and stakeholders to address risk in compliance with customer standards.

  • Monitor systems for compliance with government standards and evolving cybersecurity threats through vulnerability scans, compliance audits, and configuration management.

  • Ensure all systems meet Authorization to Operate (ATO) requirements and maintain compliance throughout the system lifecycle.

  • Ensure that cybersecurity inspections, tests, and reviews are synchronized and coordinated with affected parties and organizations.

  • Read and interpret dataflow, network, and other developmental diagrams effectively.

  • Write and utilize documentation.

Qualifications

Required Skills/Experience:

  • Current Certification such as CASP+, CCNP Security, CISA, CISSP, CCSP.
  • Hands-on experience with security tools, including encryption technologies, intrusion detection systems, and penetration testing tools.
  • Experience working with cross-functional engineering and security teams in classified environments.
  • Communicate effectively with multiple stakeholders
  • Bachelor's Degree in Computer Science, Software Engineering or IT Engineering
  • 9 years of experience in Cybersecurity.
  • Active TS/SCI or SCI eligible.

Overview

SAIC accepts applications on an ongoing basis and there is no deadline.

SAIC is a premier mission integrator focused on advancing the power of technology and innovation to serve and protect our world. Our robust portfolio of offerings across the defense, space, intelligence, and civilian markets includes secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services. We integrate emerging technology, rapidly and securely, into mission critical operations that modernize and enable critical national imperatives.

We are approximately 23,000 strong; driven by mission, united by purpose, and inspired by opportunities. SAIC is an Equal Opportunity Employer. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.3 billion. For more information, visit saic.com. For ongoing news, please visit our newsroom.

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About the Company

S

Science Applications International Corp

SAIC is a premier Fortune 500® technology integrator driving our nation's digital transformation. Our robust portfolio of offerings across the defense, space, civilian, and intelligence markets includes secure high-end solutions in engineering, IT modernization, and mission solutions. Using our expertise and understanding of existing and emerging technologies, we integrate the best components from our own portfolio and our partner ecosystem to deliver innovative, effective, and efficient solutions that are critical to achieving our customers' missions. We are a team of 26,000 strong driven by mission, united purpose, and inspired by opportunity. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.1 billion. For more information, visit saic.com.
COMPANY SIZE
10,000 employees or more
INDUSTRY
Computer/IT Services
FOUNDED
2013
WEBSITE
https://jobs.saic.com/