Full-Time

Information Systems Security Engineer 3

Posted on 10/31/2025

Arsiem Corporation

Arsiem Corporation

11-50 employees

IT consulting and cybersecurity for governments

No salary listed

No H1B Sponsorship

Annapolis Junction, MD, USA

In Person

US Top Secret Clearance Required

Category
IT & Security (1)
Required Skills
Computer Networking
Risk Management
Requirements
  • Twenty (20) years of experience as an Information Systems Security Engineer on programs and contracts of similar scope, type, and complexity, including recent experience within the last five (5) years with Cybersecurity principles and technology, including access/control, authorization, identification and authentication, PKI, network and enterprise security architecture is required.
  • A bachelor's degree in Computer Science, Information Assurance, Information Security System Engineering, or a related discipline from an accredited college or university is required.
  • A master's degree in Computer Science, Information Assurance, Information Security System Engineering, or a related discipline may be substituted for two (2) years of experience, reducing the requirement to eighteen (18) years of experience.
  • Four (4) additional years of ISSE experience may be substituted for a bachelor's degree.
  • CISSP-ISSEP is required
  • Participate as the primary security engineering representative on engineering teams for the design, development, implementation, evaluation, and integration of secure networking, computing, and enclave environments
  • Apply Cybersecurity policy, procedures, and workforce structure knowledge to design, develop, and implement secure networking, computing, and enclave environments.
  • Interact with the customer and other project team members
  • Participate as the primary security engineering representative on engineering teams for the design, development, implementation, evaluation, and integration of Cybersecurity architectures, systems, or system components
  • Support the Government in the enforcement of the design and implementation of trusted relationships among external systems and architectures
  • Support security planning, assessment, risk analysis, and risk management
  • Identify overall security requirements for the proper handling of Government data
  • Provide security planning, assessment, risk analysis, and risk management
  • Perform system or network designs that encompass multiple enclaves, including those with differing data protection/classification requirements
  • Recommend system-level solutions to resolve security requirements
  • Clearance Requirement: This position requires an active TS/SCI with a polygraph. You must be a U.S. citizen for consideration.
Responsibilities
  • Perform or review technical security assessments of computing environments to identify points of vulnerability and non-compliance with established Cybersecurity standards and regulations and recommend mitigation strategies.
  • Validate and verify system security requirements definitions and analysis and establish system security designs.
  • Design, develop, implement and integrate Cybersecurity and security systems and system components, including those for networking, computing, and enclave environments to include those with multiple enclaves and differing data protection/classification requirements.
  • Build Cybersecurity into systems deployed to operational environments.
  • Assist architects and systems developers in identifying and implementing appropriate information security functionality to ensure uniform application of Agency security policy and enterprise solutions.
  • Support the building of security architectures.
  • Enforce the design and implementation of trusted relations among external systems and architectures.
  • Assess and mitigate system security threats/risks throughout the system development life cycle.
  • Contribute to the security planning, assessment, risk analysis, risk management, certification and awareness activities for system and networking operations.
  • Review certification and accreditation (C&A) documentation to provide feedback on the completeness and compliance of its content.
  • Support security authorization activities in compliance with NSA/CSS Information System Certification and Accreditation Process (NISCAP) and DoD Risk Management Framework (RMF), the NIST Risk Management Framework (RMF) process, and prescribed NSA/CSS business processes for security engineering.

ARSIEM Corporation provides advanced IT consulting services, specializing in multiple areas including cybersecurity, enterprise architecture and development, and applications development, predominantly for government clients. The firm is distinguished by its deep commitment to cybersecurity and robust IT solutions that ensure enhanced protection and efficient digital infrastructures. This commitment to leveraging cutting-edge technologies in specialized areas of IT makes ARSIEM Corporation an excellent workplace for professionals aiming to actively contribute to significant, high-impact projects within the government sector.

Company Size

11-50

Company Stage

N/A

Total Funding

N/A

Headquarters

Baltimore, Maryland

Founded

2013

Growth & Insights

Headcount

6 month growth

0%

1 year growth

0%

2 year growth

0%
INACTIVE