Lead Information Systems Security Officer, ISSO

Excella

Lead Information Systems Security Officer at Excella, a tech firm engaged in federal programs. Responsible for security documentation and compliance to ensure safety in dynamic environments.

Posted 6/15/2026full-timeRemote • 🇺🇸 United StatesSenior💰 $127,944 - $186,600 per yearWebsite

Tech Stack

Tools & technologies

CloudCyber Security

About the role

Key responsibilities & impact

Lead efforts to gather and organize technical information about the program’s security posture
Collaborate across teams to support ongoing security authorization
Proactively create, monitor, and update POA&Ms
Create Waivers or Risk Acceptance Memos
Conduct annual assessments as per DHS guidelines
Review and update security authorization documents annually
Coordinate with Privacy, Records, and Information Governance Divisions
Conduct Contingency Plan tests
Perform system self-assessments
Monitor and respond to ISVM and Patch Management requirements
Provide audit support through all audit phases
Maintain knowledge of inventory within the accreditation boundary
Ensure security requirements are incorporated into development cycle
Ensure configuration management processes are followed
Respond to emerging requirements from legislation or policy changes
Support annual independent assessments

Requirements

What you’ll need

8+ years of experience in information security
Expertise in cybersecurity best practices, vulnerability management, and cybersecurity scanning tools
Expertise in Federal data privacy requirements and cloud-hosted cybersecurity management practices
One or more certifications: CompTIA Security+, Cloud Security cert, Information Systems Security cert, Information Systems Security Management cert
Ability to hold and maintain a DHS Public Trust

Benefits

Comp & perks

Top of industry medical, dental, and vision benefits with multiple options
Employer-contributed health savings account
Infertility coverage
Orthodontia
8 weeks of Parental Leave
Discounted pet insurance
Care.com membership with 3 back-up emergency child or elder care days annually
Bonus eligible starting day one
15 days of paid vacation
6 federal holidays
4 floating holidays
TechEleX program for technology needs
Annual Internet Reimbursement of $25 per month
3 days of paid professional development every year
Wellness events, HeadSpace membership, and access to TalkSpace

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

cybersecurityvulnerability managementcybersecurity scanning toolssecurity authorizationcontingency planningconfiguration managementaudit supportrisk assessmentPOA&MsISVM

Soft Skills

collaborationorganizationproactive communicationattention to detailproblem-solving

Certifications

CompTIA Security+Cloud Security certificationInformation Systems Security certificationInformation Systems Security Management certification