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Senior Information System Security Officer

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MANTECH

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SAIC

Job Details

Skills

Information System Security
ISSE
NIST SP 800 Series
Collaboration
Documentation
System Security
Risk Assessment
Risk Management Framework
RMF
Continuous Monitoring
Auditing
Security Clearance
DoD
Cyber Security
Employee Self-service
SIEM
STIG
Network Protocols
Firewall
Intrusion Detection
Endpoint Protection
Network
RADIUS
ISE
IEEE 802.1X
Wireless Communication
Authentication
Red Hat Enterprise Linux
Linux
Microsoft Windows Server Administration
Scripting Language
Windows PowerShell
Python
Active Directory
Group Policy
CISSP
CISM
Cisco Certifications
Security+
Network Security
Microsoft Azure
Cloud Computing
Information Technology
Systems Engineering
FOCUS

Information System Security
ISSE
NIST SP 800 Series
Collaboration
Documentation
System Security
Risk Assessment
Risk Management Framework
RMF
Continuous Monitoring
Auditing
Security Clearance
DoD
Cyber Security
Employee Self-service
SIEM
STIG
Network Protocols
Firewall
Intrusion Detection
Endpoint Protection
Network
RADIUS
ISE
IEEE 802.1X
Wireless Communication
Authentication
Red Hat Enterprise Linux
Linux
Microsoft Windows Server Administration
Scripting Language
Windows PowerShell
Python
Active Directory
Group Policy
CISSP
CISM
Cisco Certifications
Security+
Network Security
Microsoft Azure
Cloud Computing
Information Technology
Systems Engineering
FOCUS

Summary

Job ID: 2614441

Location: Arlington, VA, US

Date Posted: 2026-07-09

Category: Cyber

Subcategory: Cyber Engineer

Schedule: Full-Time

Shift: Day Job

Travel: No

Minimum Clearance Required: TS.SCI

Clearance Level Must Be Able to Obtain: None

Potential for Remote Work: ORA_ON_SITE

Description

SAIC is seeking an Information System Security Engineer (ISSE) to join our team. This position is in Arlington, VA and requires an active Top Secret/SCI clearance.

Job responsibilities include, but are not limited to:

Implement and maintain cybersecurity controls in accordance with DoD policies, including NIST SP 800-53, RMF, and applicable STIGs.
Monitor network and system security, analyze security events, and respond to incidents in a timely manner.
Conduct vulnerability assessments and remediation activities using approved DoD tools and processes.
Collaborate with IT, engineering, and program teams to ensure security requirements are integrated into system designs and operations.
Assist in the preparation, review, and maintenance of security documentation, including System Security Plans (SSPs), Plan of Action & Milestones (POA&Ms), and risk assessments.
Support the Risk Management Framework (RMF) process for system accreditation and continuous monitoring, including activities related to obtaining and maintaining Authority to Operate (ATO).
Participate in security audits, inspections, and assessments, and assist with remediation of findings.
Stay current on emerging cyber threats, vulnerabilities, and DoD cybersecurity directives.

Qualifications

Education Requirements:

Bachelor's degree and five (5) years experience; Four (4) years' experience can be considered in lieu of degree.

Clearance Requirements:

Must possess and maintain an active TS/SCI clearance; ship required.

Required Skills:

Experience with DoD cybersecurity tools (e.g., ACAS, ESS, SIEM platforms, Evaluate-STIG, and STIG Viewer).
Familiarity with network protocols, firewalls, intrusion detection/prevention systems, and endpoint security.
Experience with Network Access and Authentication to include RADIUS (NPS, ISE, ClearPass), 802.1X Wired/Wireless Authentication, and Device Posture Validation.
Red Hat Enterprise Linux and Windows Server administration.
Scripting language such as PowerShell or Python.
Active Directory and Group Policy administration.
Certifications: CISSP / CASP+ / CISM / CCSP, Security+, Azure Security or Administrator Certifications, Network Security Certifications.

Desired Skills:

Experience working in a Microsoft Azure cloud environment.

Target salary range: $120,001 - $160,000. The estimate displayed represents the typical salary range for this position based on experience and other factors.

Employers have access to artificial intelligence language tools (“AI”) that help generate and enhance job descriptions and AI may have been used to create this description. The position description has been reviewed for accuracy and Dice believes it to correctly reflect the job opportunity.

Dice Id: 10111346
Position Id: 2614441
Posted 30+ days ago

Company Info

About SAIC

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. 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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Job Details

Skills

Information System Security
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NIST SP 800 Series
Collaboration
Documentation
System Security
Risk Assessment
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Continuous Monitoring
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Cyber Security
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NIST SP 800 Series
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Summary

Implement and maintain cybersecurity controls in accordance with DoD policies, including NIST SP 800-53, RMF, and applicable STIGs.
Monitor network and system security, analyze security events, and respond to incidents in a timely manner.
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Assist in the preparation, review, and maintenance of security documentation, including System Security Plans (SSPs), Plan of Action & Milestones (POA&Ms), and risk assessments.
Support the Risk Management Framework (RMF) process for system accreditation and continuous monitoring, including activities related to obtaining and maintaining Authority to Operate (ATO).
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Qualifications

Education Requirements:

Bachelor's degree and five (5) years experience; Four (4) years' experience can be considered in lieu of degree.

Clearance Requirements:

Must possess and maintain an active TS/SCI clearance; ship required.

Required Skills:

Experience with DoD cybersecurity tools (e.g., ACAS, ESS, SIEM platforms, Evaluate-STIG, and STIG Viewer).
Familiarity with network protocols, firewalls, intrusion detection/prevention systems, and endpoint security.
Experience with Network Access and Authentication to include RADIUS (NPS, ISE, ClearPass), 802.1X Wired/Wireless Authentication, and Device Posture Validation.
Red Hat Enterprise Linux and Windows Server administration.
Scripting language such as PowerShell or Python.
Active Directory and Group Policy administration.
Certifications: CISSP / CASP+ / CISM / CCSP, Security+, Azure Security or Administrator Certifications, Network Security Certifications.

Desired Skills:

Experience working in a Microsoft Azure cloud environment.

Target salary range: $120,001 - $160,000. The estimate displayed represents the typical salary range for this position based on experience and other factors.

Dice Id: 10111346
Position Id: 2614441
Posted 30+ days ago

Company Info

About SAIC

Go to company profile

Fitment

Dice Job Match Score™

✨ Finding the perfect fit...

Create job alert

Never miss an opportunity! Create an alert based on the job you applied for.

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