ACAS Cybersecurity Analyst

Job Title: ACAS Cybersecurity Analyst

Location: Oakton VA

Department: Cyber Security Services

Reports To: Management

FLSA Status: Full Time/Non-exempt

Description:

Apavo delivers cybersecurity services to military defense and critical infrastructure organizations and were growing our Cyber Security Services team. Were built on quality clear communication and the belief that every team members input matters paired with a genuine commitment to work-life balance and professional growth. If you want cybersecurity work that has real mission impact backed by a team that invests in your development wed love to talk.

Job Purpose:

In this role the ACAS Cybersecurity Analyst plays a key part in supporting a high-priority federal research mission driving vulnerability management compliance validation and Continuous Monitoring (ConMon) efforts across complex multi-enclave Risk Management Framework (RMF) environments.

Duties & Responsibilities:

ACAS Cybersecurity Analyst responsibilities include but are not limited to:

Advanced ACAS Administration: Deploy configure and manage Tenable Security Center () and Nessus scanners across connected and air-gapped enclaves.

Vulnerability R&D & Directive Scanning: Execute and analyze credentialed and non-credentialed vulnerability scans. Tailor scan zones profiles and asset lists to ensure 100% visibility while preventing disruptions to fragile experimental research systems. Perform targeted scanning to determine and verify system compliance with DCDC Communications Tasking Orders (CTOs).

Troubleshooting & Maintenance: Diagnose and resolve complex scanner connectivity issues WMI/SSH credentialed scan failures and perform manual/offline plugin and feed synchronizations for isolated highly classified networks.

Multi-Framework Compliance Validation: Validate findings against DISA STIGs CIS benchmarks and specific IC/SAP security baselines. Conduct compliance checks using tools such as SCC STIG Viewer and Evaluate-STIG.

Risk & Remediation Tracking: Develop and maintain POA&M documentation. Monitor IAVA/IAVM notices and IC-specific vulnerability alerts. Collaborate with operations and engineering personnel to provide risk-based remediation strategies tracking mitigation within systems of record (e.g. eMASS Xacta).

Continuous Monitoring & Upstream Reporting: Execute ConMon activities integrating ACAS outputs with local SIEM tools (e.g. Splunk) to maintain ongoing authorization and coordinate with the external Cybersecurity Service Provider (CSSP). Support upstream enterprise cybersecurity posture reporting ensuring accurate data synchronization with the Continuous Monitoring and Risk Scoring (CMRS) system.

Support RMF lifecycle activities across multiple regulatory frameworksincluding DoD RMF (DoDI 8510.01) Intelligence Community Directive 503 (ICD 503) and the Joint SAP Implementation Guide (JSIG). Maintain artifacts and map technical scan findings to NIST SP 800-53 and CNSSI 1253 controls.

The ACAS Cybersecurity Analyst is expected to have additional duties as assigned in support of corporate cybersecurity services and mission requirements. Additional details are reviewed in accordance with company policies.

Other:

This is typical office or administrative work and there is no exposure to adverse environmental conditions.

This position requires sedentary work. Sedentary work is defined as: Exerting up to 10 pounds of force occasionally and/or a negligible amount of force frequently or constantly to lift carry push pull or otherwise move objects including the human body. Sedentary work involves sitting most of the time. Jobs are sedentary if walking and standing are required only occasionally and all other sedentary criteria are met.

Apavo Corporation provides equal employment opportunities to all applicants and employees and strictly prohibits any type of harassment or discrimination in regards to race religion age color sex disability status national origin genetics sexual orientation protected veteran status gender expression gender identity or any other characteristic protected under federal state and/or local laws.

Consistent with the Americans with Disabilities Act (ADA) it is the policy of Apavo Corporation to provide reasonable accommodation when requested by a qualified applicant or employee with a disability unless such accommodation would cause an undue hardship. The policy regarding requests for reasonable accommodation applies to all aspects of employment including the application process. If reasonable accommodation is needed please contact Apavo Human Resources at or

Employment with Apavo Corporation is on an at-will basis meaning either you or the Company can terminate the employment relationship at any time for any or no reason and with or without cause or notice. As an at-will employee your employment with Apavo Corporation is not guaranteed for any length of time.

Qualifications:

• Education/Experience: Bachelors degree in Cybersecurity Information Technology or related field (or equivalent experience) with 57 years of experience in DoD/IC cybersecurity heavily focused on vulnerability management and RMF.
• Clearance: Active Top Secret clearance with SCI eligibility.
• DoD Directive: DoD 8570.01-M / 8140.03 compliant for IAT Level II (e.g. Security CE CySA) or Level III (e.g. CASP CISSP).
• ACAS Certification: Current DISA ACAS Operator and/or Administrator training certificate is required.
• Technical Proficiency: Deep hands-on administrative experience with ACAS (Nessus / ) infrastructure including offline updates CMRS integration air-gapped deployments and credentialed scan troubleshooting.
• OS/Environment: Computing Environment (CE) certification (e.g. Linux Windows Server) or equivalent command-line experience is highly preferred for ACAS host management.
• Framework Knowledge: Strong understanding of DoD RMF (DoDI 8510.01) IC RMF (ICD 503) JSIG CNSSI 1253 NIST SP 800-53 controls STIG implementation and IAVA/IAVM/CTO remediation processes.
• Tooling: Experience with SCC STIG Viewer eMASS Xacta (heavily used in IC/SAP environments) and log aggregation tools (e.g. Splunk).
• Communication: Strong analytical and problem-solving skills with the ability to communicate technical cyber risks to non-technical program managers and research scientists.