(781) Cybersecurity Technical Specialist Level III / ISSO

Arlo Solutions · Aberdeen Proving Ground

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Position Overview

Arlo Solutions seeks an experienced Cybersecurity Technical Specialist III / ISSO to support U.S. Army ATEC cybersecurity operations. The position provides technical expertise in DoD Risk Management Framework (RMF), security-control analysis, vulnerability management, eMASS, POA&M management, and Continuous Monitoring. Candidates must reside near APG or independently relocate before employment.

Full-time, on-site attendance at the Government installation is mandatory. RMF Execution:

• Perform assigned RMF activities under DoDI 8510.01, NIST SP 800-37, NIST SP 800-53/53A, CNSSI No. 1253, and applicable Army requirements.

Security Controls:

• Analyze control implementations, technical configurations, compliance evidence, and deficiencies
  • develop accurate implementation statements and corrective recommendations.

eMASS Management:

• Maintain assigned authorization packages, security controls, artifacts, findings, and supporting documentation for ATO/IATT and Continuous Monitoring activities.

Vulnerability Management:

• Review ACAS, SCAP, STIG, and other assessment results;
  • validate findings, coordinate remediation, and maintain accurate tracking records.

POA&M Management:

• Document weaknesses, track remediation milestones, validate corrective actions, and maintain supporting evidence and traceability.

Continuous Monitoring:

• Conduct recurring security reviews, identify emerging risks, monitor compliance, and report material cybersecurity changes.

Technical Quality Assurance:

• Independently verify technical accuracy, completeness, evidence, and compliance before submitting deliverables.

Incident Coordination:

• Report significant vulnerabilities, suspected incidents, and security deficiencies through authorized channels.
• Collaborate with Team Leads, ISSMs, System Administrators, security assessors, and Government stakeholders to obtain evidence, validate configurations, resolve findings, and accomplish assigned RMF responsibilities.
• Maintain operational leadership visibility and communicate progress, obstacles, and cybersecurity risks professionally.
• Prepare and present accurate technical briefings covering RMF activities, vulnerabilities, security controls, POA&Ms, and Continuous Monitoring.
• Explain findings, supporting evidence, risks, remediation recommendations, and outstanding actions.
• Provide timely status updates and identify issues requiring leadership attention.
• The assigned Team Lead/O-ISSM serves as the primary operational tasking lead, operating under the oversight of the Project Lead, Program Manager, and authorized Government TPOC. 
• Employees must follow reasonable, authorized direction from designated leadership, meet established deadlines, and promptly communicate conflicting instructions, technical concerns, or delays. 
• System assignments do not confer exclusive ownership or independent managerial, ISSM, SCA, or Authorizing Official authority. 

Professional Attire:

• Maintain APG/ATEC-required professional business attire throughout on-site duty hours, subject to approved exceptions.

Professionalism:

• Demonstrate respect, integrity, accountability, courtesy, and constructive workplace communication.

Customer Relations:

• Maintain professional Government relationships and follow established communication and escalation procedures.

Teamwork:

• Collaborate effectively, respect leadership responsibilities, accept constructive feedback, and support mission priorities.

Technical Accuracy:

• Validate all assigned technical work before submission; promptly correct identified deficiencies.

Policy Compliance:

• Follow Arlo Solutions Employee Handbook requirements, Government workplace policies, security procedures, and authorized operational direction.

Performance Standard:

• Deliver accurate, timely, technically defensible cybersecurity work while maintaining professionalism, accountability, effective communication, and continuous support of the U.S. Army ATEC mission.

 
Work Location: (On-site Requirements) Aberdeen Proving Ground, MD

Clearance:  Active Secret clearance.

Responsibilities and/or Success Factors:

• Execute assigned RMF responsibilities under DoDI 8510.01, NIST SP 800-37, NIST SP 800-53/53A, CNSSI No. 1253, and applicable Army cybersecurity requirements.
• Support system categorization, security-control implementation, assessments, authorization, and Continuous Monitoring.
• Analyze technical configurations, control implementations, compliance evidence, and cybersecurity documentation. Identify deficiencies, unsupported compliance assertions, and documentation inconsistencies; recommend corrective actions.
• Support ATO, IATT, reauthorization, and ongoing authorization requirements.
• Develop, review, maintain, and validate assigned eMASS authorization packages, security controls, implementation statements, assessment evidence, and findings.
• Ensure documentation accurately reflects system configurations, security posture, and compliance status.
• Maintain traceability between security controls, supporting evidence, assessment findings, and POA&Ms.
• Coordinate authorization-package updates, quality reviews, and submissions through established RMF leadership.
• Evaluate NIST SP 800-53 security controls against documented implementations and technical evidence.
• Validate findings, identify compliance gaps, distinguish false positives, and assess inherited controls.
• Develop defensible recommendations for remediation, mitigation, additional assessment, or risk acceptance.
• Coordinate technical validation with authorized System Administrators and cybersecurity stakeholders.
• Review ACAS, SCAP, DISA STIG, and other approved vulnerability assessment results.
• Identify vulnerabilities, configuration weaknesses, affected assets, and compliance deficiencies.
• Conduct recurring vulnerability reviews and maintain accurate Government-approved tracking records.
• Develop and maintain POA&Ms documenting findings, risks, remediation milestones, and supporting evidence.
• Validate remediation before recommending closure; escalate significant unresolved risks.
• Perform recurring security-control reviews, vulnerability assessments, compliance checks, and cybersecurity reporting.
• Identify system changes, emerging threats, and conditions affecting authorization or cybersecurity posture.
• Support Continuous Monitoring documentation, corrective actions, and risk tracking.
• Promptly report suspected incidents, significant vulnerabilities, and security-control failures through authorized channels.
• Support incident-response coordination without independently accepting risk or approving exceptions.
• Prepare accurate, complete, traceable, and technically defensible cybersecurity deliverables.
• Independently verify technical findings, asset identifiers, control mappings, vulnerability references, and evidence before submission.
• Correct errors, unsupported assertions, and documentation inconsistencies promptly.
• Maintain version control, documentation integrity, and compliance with established quality standards.
• Collaborate with Team Leads, ISSMs, System Administrators, security assessors, and Government stakeholders.
• Coordinate evidence collection, technical investigations, remediation, and RMF activities.
• Prepare and present technical briefings addressing vulnerabilities, controls, POA&Ms, risks, and authorization status.
• Communicate progress, blockers, outstanding findings, and corrective recommendations professionally.
• Maintain leadership visibility and avoid unauthorized commitments.

Minimum Qualifications Including Certificates: 

Education and Professional Experience: 

• Bachelor's degree in Cybersecurity, Computer Science, Information Technology, Information Assurance, Engineering, or related field; equivalent experience may qualify when permitted by contract.
• Demonstrated experience supporting DoD, U.S. Army, or federal cybersecurity programs.
• Hands-on experience performing ISSO, Risk Management Framework (RMF), information assurance, or equivalent cybersecurity responsibilities.
• Strong understanding of NIST SP 800-53 security controls, RMF processes, cybersecurity compliance, and authorization requirements.
• Experience reviewing security-control implementations, technical evidence, vulnerability findings, and cybersecurity documentation.
• Experience supporting authorization packages, Plans of Action and Milestones (POA&Ms), and Continuous Monitoring.
• Ability to independently analyze technical cybersecurity issues, validate findings, and produce accurate, defensible deliverables.
• Strong analytical, organizational, documentation, communication, and problem-solving skills.
  
  

Technical Knowledge and Experience

• Candidates must demonstrate applicable knowledge and practical experience in: 
• DoD RMF: DoDI 8510.01, NIST SP 800-37, NIST SP 800-53/53A, CNSSI No. 1253, and applicable DoD/Army cybersecurity requirements.
• eMASS: Authorization-package maintenance, security-control documentation, implementation statements, assessment evidence, findings, and workflow support.

Vulnerability Management: 

• ACAS assessments, DISA STIG compliance, SCAP scanning, technical findings analysis, and remediation validation.

POA&M Management: 

• Vulnerability documentation, remediation tracking, milestone management, risk acceptance support, and evidence validation.

Continuous Monitoring: 

• Recurring security reviews, vulnerability tracking, cybersecurity posture assessment, and compliance reporting. 

Security Control Analysis: 

• Implementation validation, technical risk assessments, compliance evaluation, and corrective-action recommendations. 

Enterprise Security:

• Windows, Linux, networking, system configurations, and enterprise cybersecurity concepts.

Technical Documentation:

• Accurate cybersecurity reporting, RMF artifact development, quality assurance, and technical briefings. 

Certifications and DoD 8140 Compliance

• Must satisfy applicable DoD 8140 cybersecurity workforce qualification requirements for the assigned work role, proficiency level, and contract.
• Relevant certifications may include CompTIA Security+, CySA+, CASP+/SecurityX, CISSP, or other recognized qualifications.
• Additional operating-system, networking, vendor-specific, and cybersecurity certifications are preferred.
• Mandatory certifications, education, and experience requirements are determined by the applicable contract, labor category, and designated DoD 8140 work role.

Security Clearance and Installation Access 

• Must meet applicable U.S. citizenship requirements established by the contract.
• Must possess or qualify for the required Government security clearance and maintain eligibility throughout employment.
• Must satisfy U.S. Army Aberdeen Proving Ground installation access, identity verification, and credentialing requirements.
• Must complete required Government cybersecurity awareness, acceptable-use, and security training.
• Must comply with applicable DoD, Army, ATEC, and installation security policies.
• Must maintain authorized access eligibility for assigned Government facilities, networks, and information systems.

Additional Employment Requirements

• Must reside within commuting distance of Aberdeen Proving Ground, Maryland, or be willing to self-relocate.
• Must work full-time, on-site at the assigned Government installation.
• Must demonstrate professional conduct, accountability, effective teamwork, and adherence to established operational direction.
• Must independently validate technical work for accuracy, completeness, and compliance before submission.

Desired Qualifications:

• Previous experience supporting U.S. Army, ATEC, NETCOM, or other DoD cybersecurity programs.
• Experience supporting enterprise information systems, network infrastructure, or mission-critical Government environments.
• Demonstrated ability to interpret and apply DISA STIG requirements and technical vulnerability assessment results.
• Experience supporting cybersecurity authorization or reauthorization efforts.
• Experience coordinating technical remediation activities with System Administrators and system engineering teams.
• Experience supporting Government inspections, cybersecurity assessments, or technical compliance reviews.
• Familiarity with enterprise vulnerability tracking, reporting dashboards, Microsoft Excel, Microsoft Lists, and other approved cybersecurity management tools.
• Experience developing technically defensible risk acceptance recommendations and supporting documentation.

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