Cybersecurity Engineer with Security Clearance

Overview Abile Group has an exciting and challenging opportunity for a Cybersecurity Engineer on a 10 year contract providing User Facing and Data Center Services supporting an Intelligence Community customer. All the personnel on the team will work together to support innovative design, engineering, procurement, implementation, operations, sustainment and disposal of user facing and data center information technology (IT) services on multiple networks and security domains, at multiple locations worldwide, to support the IC mission. The right candidate will possess the below skills and qualifications and be ready to handle all responsibilities independently and professionally. Responsibilities * Acts as the representative of the Information System Security Manager (ISSM), ensuring compliance with DoD and Intelligence Community (IC) information security policies, procedures, and directives. * Supports efforts to operate, maintain, and dispose of information system materials in accordance with RMF, NIST, ICD 503, and applicable security directives, policies, and System Security Plans (SSPs). * Implements and maintains Security Technical Implementation Guides (STIGs) across Windows, Linux (RHEL), network, virtualization, and cloud environments to ensure compliance with DoD security requirements. * Executes technical remediation activities to address security findings identified through ACAS, STIG reviews, vulnerability scans, and security assessments. * Manages assigned Plan of Action and Milestones (POA&Ms) by implementing technical solutions, validating remediation efforts, documenting completion evidence, and supporting POA&M closure. * Supports RMF continuous monitoring activities by implementing required security controls, maintaining A&A documentation, and ensuring compliance with NIST SP 800-53 and ICD 503 requirements. * Generates and implements required cybersecurity awareness training, ensuring users understand their security responsibilities prior to system access. * Initiates protective and corrective measures when security incidents, vulnerabilities, or compliance issues are identified. * Ensures IA hardware, software, and operating systems comply with approved security configuration guides and organizational security baselines. * Implements and enforces IA policies and procedures as defined by RMF authorization packages and A&A documentation. * Ability to work on multiple projects simultaneously in a dynamic, fast-paced, team-oriented environment. * Performs Operations & Sustainment (O&S) functions for enterprise network security infrastructure, including firewalls, web gateways, mail gateways, IDS/IPS, load balancers, performance monitoring tools, and management systems. * Performs maintenance, hardening, patching, and advanced configuration of security infrastructure to protect enterprise networks from emerging cyber threats. * Supports and secures Cloud Infrastructure, including AWS-based technologies. * Utilizes enterprise security tools such as ACAS, HBSS, Carbon Black, Tanium, RedSeal, and related cybersecurity platforms. * Conducts forensic network traffic and log analysis to investigate incidents, isolate issues, and respond to analyst alerts. * Responds to escalated cybersecurity and infrastructure troubleshooting requests. * Maintains and administers network infrastructure standards, documentation, and fault-tolerant configurations. * Presents monitoring, testing, compliance, and remediation results and reports as required. * Performs and supports integration testing, security validation, and operational readiness activities. * Develops automation and scripting solutions using PowerShell, Bash, Python, or similar languages to improve security operations and compliance. * Collaborates with systems, network, and cloud engineering teams to implement secure architectures and operational best practices. * Participates in special projects as required. Qualifications Clearance Required: TS/SCI with ability to obtain a CI Poly. Degree and Years of Experience: Bachelor's Degree in Computer Science, Engineering, Cybersecurity, Information Technology, or a related technical discipline, or an equivalent combination of education, technical training, or relevant military/work experience. * 5-10 years of experience supporting Information Assurance, Cybersecurity, Information System Security Officer (ISSO), or Cybersecurity Engineering functions within DoD or Intelligence Community environments. Required Certifications: * DoD 8570/8140 compliant certifications such as Security+, CISSP, CAP, or CASP+. Required Skills: * Experience implementing and supporting the Risk Management Framework (RMF) throughout the system lifecycle. * Strong knowledge of NIST SP 800-53, ICD 503, and DoD cybersecurity policies. * Hands-on experience implementing, maintaining, and remediating Security Technical Implementation Guides (STIGs) across Windows, Linux (RHEL), network, virtualization * Experience executing technical remediation activities for vulnerabilities identified through ACAS, STIG compliance reviews, and other vulnerability management tools. * Experience writing, maintaining, and closing Plan of Action and Milestones (POA&Ms), including documenting remediation evidence and validating corrective actions. * Experience implementing and maintaining Assessment & Authorization (A&A) documentation and supporting RMF continuous monitoring activities. * Experience with security tools such as ACAS, HBSS, Carbon Black, Tanium, RedSeal, or equivalent. * Experience installing, hardening, deploying, documenting, and troubleshooting network perimeter security technologies. * Experience scripting with Unix/Linux (RHEL), Bash, Python, and PowerShell. * Strong analytical, troubleshooting, documentation, and communication skills. * Ability to work independently while managing multiple priorities in a fast-paced environment. Desired Skills: * Experience supporting TESR environments. * Experience supporting Intelligence Community Assessment & Authorization processes. * Experience with security automation and Infrastructure-as-Code. * Experience with enterprise SIEM platforms such as Splunk or Elastic. About Abile Group, Inc. Abile Group, founded in July 2004 to support the Intelligence Community and its contractors across Enterprise Analytics, IT & Systems Engineering, and Program & Project Management, merged with Valiant Solutions in January 2026 - an established provider of cybersecurity technologies and services for Federal Agencies since 2005. Together, this partnership creates a stronger, more integrated cybersecurity organization with expanded opportunities for employees, deeper technical collaboration, and a unified mission. With significant experience serving the Federal Government, we remain dedicated to our employees and clients and seek high‑performing professionals who excel at providing guidance, developing solutions, and delivering implementation support that blends industry best practices with client expertise and Abile's broad technical capabilities. Hiring Statement Abile is committed to hiring the most qualified and best fit person for the job - always has, always will. Anyone requiring reasonable accommodations should email with requested details. A member of the HR team will respond to your request within 2 business days. Please review our current job openings and apply for the positions you believe may be a fit. If you are not an immediate fit, we will also keep your resume in our database for future opportunities.