Senior DoD/IC Information Security Officer

Independent Software; Corridor North (MD); On-site; USD 150,000 - 190,000; Full time

Benefits offered by this job

DoD/IC mission impact

Employee-first culture

Career development

Job summary

Independent Software is seeking an Information Systems Security Officer to strengthen the security posture of DoD/IC mission systems. You will lead RMF implementation, system authorization, vulnerability management, and continuous monitoring across the full lifecycle.

Engage with system admins, engineers, and leadership to embed security by design and sustain accreditation in high-threat environments. You will interpret security requirements, develop security documentation, and guide remediation

Qualifications

• Interpret DoD/NIST/IC security standards (NIST SP 800-53, CNSSI 1253, DoDI 8510.01).
• Apply RMF steps 1–6 and continuous monitoring to programs.
• Implement and validate technical controls on OS, apps, and network devices.
• Hands-on with vulnerability scanners, audit tools, and enterprise security tools (ACAS, Nessus, Xacta).
• Familiar with customer security tools, repositories, playbooks, and compliance guidelines.
• Understand servers, information assurance practices, and networking.
• Perform detailed risk assessments and produce clear security docs.
• Strong written and verbal communication to brief leadership.
• Work in cross-functional classified environments with minimal supervision.
• Exposure to IaC tools: Ansible and Terraform.

Responsibilities

• Manage daily security operations for DoD/IC systems and ensure policy compliance.
• Support information assurance initiatives across programs, systems, and enclaves.
• Conduct vulnerability and risk assessments to support accreditation decisions.
• Administer configuration control for security software, hardware, and firmware.
• Create/maintain SSPs, RARs, POA&Ms, C&A packages, and SRTMs.
• Lead system authorization under RMF and legacy NISCAP standards.
• Evaluate/maintain security solutions for classified environments.
• Utilize security tools like Latteart, Biscoti, Xacta, ACAS, Nessus.
• Provide expertise in security policies, procedures, countermeasures.
• Collaborate with admins/engineers to embed cybersecurity best practices.
• Assess processes, identify vulnerabilities, and develop proactive solutions.

Skills

DoD/NIST standards

RMF & monitoring

Technical controls

Vulnerability scanners

Security tools & compliance

Server & network tech

Risk assessments

Written communication

Cross-functional work

IaC: Ansible/Terraform

Education

Bachelors in CS/InfoSec

Alternative: +4 years exp

12+ years cybersecurity

10+ years ISSO DoD/IC

Tools

ACAS

Nessus

Xacta

Ansible

Terraform

Job description

Independent Software is seeking an Information Systems Security Officer to strengthen the security posture of DoD/IC mission systems. You will lead RMF implementation, system authorization, vulnerability management, and continuous monitoring across the full lifecycle.

Engage with system admins, engineers, and leadership to embed security by design and sustain accreditation in high-threat environments. You will interpret security requirements, develop security documentation, and guide remediation