How You'll Make an Impact The primary responsibility of this role will be to support the maintenance and sustainment of classified and internal server environments, encompassing system administration, cybersecurity hardening, and compliance activities.
This position will assist in managing Windows and Linux systems supporting secure research and development environments. Responsibilities include maintaining system security baselines, supporting vulnerability management activities, assisting with accreditation documentation, and ensuring systems operate in compliance with applicable cybersecurity standards.
The selected candidate will collaborate closely with the
Information Systems Security Manager (ISSM), the
Aptima Cybersecurity and Compliance Team Lead, and internal program teams to ensure systems remain secure, compliant, and operational.
The role requires strong technical problem-solving skills, attention to detail, and the ability to work both independently and collaboratively within a team supporting classified and mission-critical systems.
Key Responsibilities - Administer and manage server environments across Windows and Linux platforms
- Support the maintenance, sustainment, and security configuration of classified and internal server environments
- Apply and maintain system hardening standards such as DISA STIGs and CIS Benchmarks
- Perform vulnerability scanning and remediation using tools such as Tenable, Nessus, or similar platforms
- Conduct regular system audits to ensure compliance with IT/IS security frameworks and governance requirements
- Collaborate with IT/IS and cybersecurity teams to plan and implement secure system configurations
- Manage user access control, identity management, and security protocols
- Prepare and maintain documentation related to system configuration, mapping, processes, and service records
- Assist with accreditation and compliance documentation supporting RMF, NIST 800-53, and NIST 800-171 requirements
- Coordinate with internal and external auditors to support compliance reviews and assessments
- Stay current with evolving cybersecurity standards, tools, and regulatory requirements
Requirements
- Demonstrated experience administering and securing Windows and/or Linux server environments in professional, academic, internship, or laboratory environments
- Security certification meeting DoD 8570 IAT Level II requirements (minimum CompTIA Security+)
- Experience supporting IT/IS security compliance within secure or regulated environments
- Familiarity with vulnerability scanning tools such as Tenable, Nessus, or similar platforms
- Understanding of IT/IS governance, risk management, and compliance frameworks including NIST 800-53 or NIST 800-171
- Strong organizational skills and attention to details
- Strong communication and interpersonal skills
- Willingness to travel as needed
- Active SECRET clearance required; TS/SCI clearance preferred
Salary Description
$119,000 - $130,000
