Senior – Information System Security Officer (ISSO) Clarksburg (4511)

We are hiring three Senior Information Security Specialist to support the security administration and operations of complex IT systems for a Federal Law Enforcement client. This role works across multidisciplinary teams to ensure secure system access, log auditing, account lifecycle control, and incident escalation. Ideal candidates will have deep experience in system hardening, privileged access management, audit readiness, and continuous monitoring in regulated federal environments. This position is hybrid supporting a Clarksburg, WV program and requires an active Top-Secret clearance.

Essential Duties & Responsibilities:

• Administer and maintain secure IT systems per federal policy, with a focus on audit compliance and account management.
• Assist Security Officers and stakeholders in maintaining documentation and implementing security controls using approved GRC tools.
• Conduct periodic reviews of system access controls and coordinate account provisioning for authorized users.
• Execute privileged account creation/modification/removal, log permissions, and validate role-based access compliance.
• Monitor system, security, and audit logs using Splunk, and perform threat hunting and anomaly investigations.
• Ensure timely patching and implementation of approved security-related hotfixes and updates.
• Provide user support on access issues, assist in resolving escalations, and validate Privileged User (PU)
• Recommend updates to System Security Plans (SSPs), respond to vulnerability findings, and document resolutions.
• Participate in periodic security exercises and readiness assessments.
  
  

Required Skills & Experience

• Expertise with: Splunk, BigFix, endpoint security platforms, MFA systems, and Windows/Linux environments
• Experience in account management, permissions administration, and access control enforcement
• Knowledge of federal cybersecurity policy and NIST 800-53 controls (especially AC, AU, IA, IR, and SC families)
• Familiarity with compliance documentation (SSPs, POA&Ms, audit responses)
• Ability to investigate, document, and resolve audit log events and alerts
• Active TS clearance required.
  
  

Desired Skills & Experience

• Security , CySA , or similar DoD 8570-compliant certification
• Experience supporting Federal Law Enforcement or Intelligence Community IT systems
• Exposure to SAFe Agile environments, Jira, Confluence, and compliance dashboards
• Familiarity with endpoint logging and event management (SIEM), threat intelligence, and account analytics
  
  

Application Deadline: 9-5-2025

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The SMX salary determination process takes into account a number of factors, including but not limited to, geographic location, Federal Government contract labor categories, relevant prior work experience, specific skills, education and certifications. At SMX, one of our Core Values is to Invest in Our People so we offer a competitive mix of compensation, learning & development opportunities, and benefits. Some key components of our robust benefits include health insurance, paid leave, and retirement.

The proposed salary for this position is:

$95,600—$159,300 USD

At SMX®, we are a team of technical and domain experts dedicated to enabling your mission. From priority national security initiatives for the DoD to highly assured and compliant solutions for healthcare, we understand that digital transformation is key to your future success.

We share your vision for the future and strive to accelerate your impact on the world. We bring both cutting edge technology and an expansive view of what’s possible to every engagement. Our delivery model and unique approaches harness our deep technical and domain knowledge, providing forward-looking insights and practical solutions to power secure mission acceleration.

SMX is an Equal Opportunity employer including disabilities and veterans.

Selected applicant may be subject to a background investigation and/or education verification.