SAIC

Cybersecurity Engineer - ISSO

SAIC • $95K — $115K *
Saint Louis, MO 63129In-Person
Aerospace & Defense
5 - 7 years of experience
Today
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Job Overview by Ladders

Qualifications

  • Active TS/SCI clearance required for consideration.
  • Must be willing to pass a polygraph examination.
  • Bachelor's degree plus 5 years of relevant experience required.
  • DoD 8570 IAT II+ certification (Security+, CySA+, CISSP, etc.) is essential.
  • Hands-on experience with RMF, POA&M, and ATO documentation is necessary.
  • Familiarity with ACAS, IAVM tracking, and vulnerability management is important.
  • Knowledgeable in STIGs, patching, and system hardening.

Responsibilities

  • Execute RMF processes for Assessment & Authorization (A&A).
  • Develop and maintain system security plans (SSPs) and associated ATO artifacts.
  • Conduct vulnerability scanning and track remediation activities.
  • Implement and validate security controls per NIST 800-53 and CNSSI 1253.
  • Support system hardening and compliance for classified environments.
  • Monitor systems and assist with incident response efforts.
  • Evaluate security implications of system changes in collaboration with teams.

Benefits

  • Ongoing application acceptance without a defined deadline.
Full Job Description
Job Description

Description

SAIC is seeking a Cyber Security Engineer to support critical DoD and Intelligence Community missions. You will lead assessment, authorization, vulnerability management, and secure operations for classified systems.

Responsibilities
  • Execute RMF processes for Assessment & Authorization (A&A).
  • Develop/maintain SSPs, POA&Ms, SARs, and ATO artifacts in XACTA/eMASS.
  • Conduct vulnerability scanning and track remediation using ACAS/IAVM.
  • Implement and validate NIST 800-53 and CNSSI 1253 controls.
  • Support hardening, patching, STIG compliance for Windows, Linux, and networks.
  • Monitor systems and assist with incident response.
  • Evaluate security impacts of system changes.
  • Collaborate with engineering, administration, and DevSecOps teams.

Qualifications

Required Qualifications
  • Active TS/SCI clearance. Candidates must have this clearance to be considered.
  • Willing and able to pass a polygraph.
  • Bachelor's degree + 5 years of experience (or equivalent).
  • Active or Current TS/SCI.
  • DoD 8570 IAT II+ (Security+, CySA+, CISSP, etc.).
  • Hands-on RMF, POA&M, ATO documentation experience.
  • Experience with ACAS, IAVM tracking.
  • Knowledge of STIGs, patching, system hardening.
  • Familiarity with NIST publications and incident-response processes.
  • Strong analytical and communication skills.
Desired Qualifications
  • Scripting experience (Python, Java, React).
  • DevSecOps pipeline experience.
  • Linux/Windows, databases, or web app experience.
  • Familiarity with Agile tools (Jira, Confluence).
  • Experience with NIST SP 800-171.

Overview

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

About SAIC

Science Applications International Corporation (SAIC) is a technology integrator in the technical, engineering, intelligence, and enterprise information technology markets. SAIC has approximately 26,000 employees and operates in more than 70 countries. The company was founded in 1969 and is headquartered in Reston, Virginia. SAIC provides services to the U.S. government, including the Department of Defense, the intelligence community, and civilian agencies. The company also serves commercial customers in the healthcare, energy, and financial services sectors.
Learn more about SAIC
Size
26,000 employees
Market Cap
$6 billion
Industry
Information Technology
Net Income
$206 million
Founded
1969
5 Year Trend
+10.7%
Revenue
$6.8 billion
NASDAQ
SAIC
* Ladders Estimates

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