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Dice.com

Information Systems Security Officer (ISSO)

Pay: $111,155–$150,385/yr

Posted: 3 weeks ago

Location: Annapolis, MD (Onsite)

Last Updated: 1 day ago

Hours: Full-Time

Expires: 10/5/2026

Career Insights for Security Officer (General)

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Based on Maryland data

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What they do

A Security Officer provides security for property at hospitals, hotels, warehouses or office buildings. Monitors entrances and patrols buildings, watches for intruders or vandals; reports building maintenance problems; deals with customers or visitors that create a disturbance in the building.

$38,929 / year median in Maryland

+2% projected growth

Explore Career

Job Description

Information Systems Security Officer (ISSO) Skills

IT Risk Management
Energy
Information Systems
Network
Cyber Security
System Security
Continuous Monitoring
Security Controls
Auditing
Recovery
Security Clearance
Continuous Integration
DoD
Information Assurance
Security+
Customer Engagement
Risk Management Framework
RMF
FISMA
Management
Authorization
STIG
Regulatory Compliance
Splunk
Communication
Documentation
Collaboration
Telecommuting
Taxes
Apache Flex
Military
Insurance
Recruiting
Biometrics
Fraud
Professional Services
Innovation
Artificial Intelligence
Cloud Computing
Software Development
IT Risk Management
Energy
Information Systems
Network
Cyber Security
System Security
Continuous Monitoring
Security Controls
Auditing
Recovery
Security Clearance
Continuous Integration
DoD
Information Assurance
Security+
Customer Engagement
Risk Management Framework
RMF
FISMA
Management
Authorization
STIG
Regulatory Compliance
Splunk
Communication
Documentation
Collaboration
Telecommuting
Taxes
Apache Flex
Military
Insurance
Recruiting
Biometrics
Fraud
Professional Services
Innovation
Artificial Intelligence
Cloud Computing
Software Development
Summary

Type of Requisition:

Pipeline

Clearance Level Must Currently Possess:

Top Secret SCI + Polygraph Clearance Level Must Be Able to

Obtain:

Top Secret SCI + Polygraph

Public Trust/Other Required:

None

Job Family:

Cyber and IT Risk Management

Job Qualifications:

Skills:

Classified Networks, Cybersecurity Compliance, DISA

STIG, ISSO, RMF

Certifications:

None

Experience:

8 + years of related experience ship

Required:

Yes

Job Description:

INFORMATION SYSTEMS SECURITY OFFICER

YOUR IMPACT Own your opportunity to support national defense. Your work will help keep critical operations secure and connected across the global enterprise-directly, contributing to a mission that protects our nation every day. CIS is growing, and we invite both our experienced incumbents and new team members to be part of what's next. Incumbents bring invaluable mission insight, while new talent adds fresh ideas and energy. Together, we'll strengthen continuity and drive the next generation of innovation.

MEANINGFUL WORK AND PERSONAL IMPACT

As an Information Systems Security Officer (ISSO) supporting enterprise infrastructure services, you will safeguard critical information systems across multiple classified network domains. You will manage the full security lifecycle for assigned systems, ensure continuous compliance with cybersecurity standards, and help maintain resilient and secure mission enabling technologies. Your work strengthens system readiness, reduces risk, and ensures secure operations across globally distributed environments.

KEY RESPONSIBILITIES

Serve as the primary cybersecurity advisor on system security posture, threats, vulnerabilities, and compliance requirements
Maintain and update security authorization packages, documentation, and baseline artifacts throughout the system lifecycle
Ensure systems retain active Authority to Operate (ATO) through continuous monitoring, updates, and alignment with security policies
Develop and manage POA&Ms, risk acceptance requests, waivers, and exceptions for identified vulnerabilities
Perform periodic system reviews, update security controls, and coordinate required security-driven configuration changes
Audit system logs and monitors outputs to identify compliance issues or abnormal activity and coordinate remediation
Oversee secure system recovery, validating restoration of approved security configurations
Manage system decommissioning activities, ensuring secure sanitization and proper documentation
Collaborate with engineers, system owners, and technical teams to validate controls and support accreditation updates

WHAT YOU'LL NEED TO SUCCEED

Active TS/SCI clearance with CI Polygraph
Bachelor's degree in an IT-related field, or 10+ years of relevant IT experience in lieu of a degree
Meet DoD 8140 Information Assurance Workforce certification requirements (e.g. Security+ CE)
Hands-on experience performing ISSO functions under the Risk Management Framework (RMF)
Strong understanding of

NIST SP 80037, 80053, CNSSI

1253, and FISMA-aligned security practices

Experience managing authorization package documentation, vulnerability assessments, and STIG compliance
Ability to evaluate system risks, track remediation, and coordinate security efforts across engineering and operations teams
Familiarity with enterprise security logging tools (e.g., Splunk) and vulnerability monitoring tools
Strong communication, documentation, and collaboration skills

LOCATION

Onsite

GDIT IS YOUR PLACE

At GDIT, the mission is our purpose, and our people are at the center of everything we do.

Growth:

AI-powered career tool that identifies career steps and learning opportunities

Support:

An internal mobility team focused on helping you achieve your career goals

Rewards:

Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off

Community:

Award-winning culture of innovation and a military-friendly workplace

OWN YOUR OPPORTUNITY

Explore an enterprise IT career at GDIT and you'll find endless opportunities to grow alongside colleagues who share your desire to drive operations forward. #CIS The likely salary range for this position is $111,155

$150,385.

This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.

Scheduled Weekly Hours:

Travel Required:

None

Telecommuting Options:

Onsite

Work Location:

USA MD Annapolis Junction

Additional Work Locations:

USA CO Colorado Springs, USA DC Washington, USA VA Springfield

Customer Proprietary (VAC421) Total Rewards at

GDIT:

Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks w possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings... Visit the Employer site for more details