Information Systems Security Engineer

RPMGlobal; Annapolis (MD); On-site; USD 120,000 - 160,000; Full time

Job summary

Base-2 Solutions is seeking an Information Systems Security Engineer (ISSE) to design, implement, and assess security for complex systems supporting national defense and mission-critical operations.

The role requires expertise in risk management, RMF, NIST SP 800-53, C&A, and security testing across Linux, Windows, and cloud platforms, with certification readiness and collaboration with government customers.

Qualifications

• Experience with NIST SP 800-53, RMF, ICD 503, CNSS, DoD STIGs.
• Security tools: ACAS/Nessus/Tenable, Splunk, Wireshark, HBSS, McAfee ePO.
• Security technologies: Firewalls, IDS/IPS, SIEMs, VPNs, PKI, MFA.
• Documentation: SSPs, POA&Ms, SARs, SCTM.
• OS and virtualization: Linux/Unix/Windows, VMware/Hyper-V.
• Cloud security: AWS/Azure/Google Cloud.
• Encryption: TLS/SSL, IPsec, VPN, PKI.
• Security testing: Nmap, Metasploit, Burp Suite, Kali Linux.
• Scripting: Python, PowerShell, Bash.
• SDLC, software assurance, secure coding.
• Tooling: JIRA, Confluence, ServiceNow.
• Certs: CISSP, CAP, CEH, Security+, AWS Security Specialty, or equivalent.

Responsibilities

• Develops, implements, and maintains security solutions for complex systems.
• Conducts system security analysis, risk assessments, and vulnerability assessments.
• Supports security architecture and RMF-based artifacts.
• Collaborates with architects, software, and network engineers to embed security requirements.
• Develops SSPs, SARs, and RMF documentation.
• Performs continuous monitoring and ensures compliance with standards.
• Recommends improvements and addresses security incidents.
• Engages in testing, evaluation, and C&A activities.
• Interacts with government customers to communicate security strategies.

Skills

NIST RMF

DoD/IC policies

Threat analysis

Vulnerability assessments

System security design

Scripting (Python)

JIRA/Confluence

Tools

ACAS

Nessus

Tenable

Splunk

Wireshark

HBSS

McAfee ePO

Job description

Position Summary

Base-2 Solutions is seeking a highly skilled and motivated Information Systems Security Engineer (ISSE) to join our team. Our ISSEs play a critical role in safeguarding cutting-edge systems that support national defense and mission-critical operations. We are looking for security professionals who bring expertise in system security design, risk management, and cybersecurity frameworks, as well as strong leadership qualities and an eagerness to tackle complex challenges. Our ideal candidate will demonstrate versatility, attention to detail, and a commitment to protecting sensitive information and systems as we continue to push technology forward.

Essential Duties and Responsibilities

• Develops, implements, and maintains security solutions for complex systems to ensure confidentiality, integrity, and availability.
• Conducts system security analysis, risk assessments, and vulnerability assessments to identify and mitigate risks.
• Supports the development of security architecture and system security engineering artifacts based on NIST, DoD, and IC policies and guidelines.
• Collaborates with system architects, software engineers, and network engineers to incorporate security requirements into system design.
• Develops and maintains System Security Plans (SSPs), Security Assessment Reports (SARs), and related Risk Management Framework (RMF) documentation.
• Performs continuous monitoring and ensures compliance with applicable security standards (NIST SP 800-53, ICD 503, CNSS, etc.).
• Provides recommendations for improving system security posture and addresses security incidents as they arise.
• Engages in security testing, evaluation, and certification & accreditation (C&A) activities.
• Interfaces with government customers and stakeholders to effectively communicate technical information and security strategies.

Required Qualifications

• Experience with security frameworks and standards such as NIST SP 800-53, RMF, ICD 503, CNSS, DoD STIGs.
• Experience with security tools such as ACAS, Nessus, Tenable, Splunk, Wireshark, HBSS, McAfee ePO.
• Experience with security technologies including Firewalls, IDS/IPS, SIEMs, VPNs, PKI, Multi-Factor Authentication.
• Experience with system security documentation: SSPs, POA&Ms, SARs, Security Control Traceability Matrix (SCTM).
• Experience with Linux, Unix, Windows, and Virtualization technologies (VMware, Hyper‑V).
• Experience with cloud platforms such as AWS, Azure, Google Cloud with a focus on cloud security.
• Experience with encryption protocols and technologies such as TLS/SSL, IPsec, VPN, PKI.
• Experience with security testing tools: Nmap, Metasploit, Burp Suite, Kali Linux.
• Scripting and automation experience: Python, PowerShell, Bash.
• Knowledge of system development lifecycle (SDLC), software assurance, and secure coding practices.
• Experience with collaboration and issue-tracking tools like JIRA, Confluence, ServiceNow.
• Certifications such as CISSP, CAP, CEH, Security+, AWS Security Specialty, or equivalent.

Preferred Qualifications

• Not specified.

Required Education and Experience Equivalency

• None specified.

Required Certifications

• CISSP
• CAP
• CEH
• Security+
• AWS Security Specialty
• or equivalent

Required Security Clearance

• Active Top Secret/SCI with Full Scope Polygraph