Jobs in the United States

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Added 15 mins ago
Sr. Staff Software Engineer (Embedded)
AeroVironment, Inc.
Moorpark, CA
The Sr. Staff Software Engineer (Embedded) has the opportunity to lead and develop a variety of innovative unmanned and robotic systems for multiple defense and commercial applications. The…
Added 16 mins ago
Sr. Unified Communication Engineer
By Light Professional IT Services LLC
Fort Meade, MD
As the engineering team lead, you will provide technical direction, coordinate a team of engineers, prioritize engineering efforts, and ensure successful delivery of mission-critical…
Added 21 mins ago
Network Architect
SAIC
Washington, DC
…for technical systems solutions and incremental roadmaps. The Lead Network Engineer will have daily interactions with government clients related to meeting technical requirements for Data…
Added 22 mins ago
Test Engineer
Vertiv
OH
The Test Engineer designs, develops, and implements cost-effective methods of testing and troubleshooting systems and equipment for all phases of product development and manufacturing. The…
Added 24 mins ago
Principal Hydrogeologist
Civil & Environmental Consultants, Inc.
Johnson City, TN
…our Johnson City office. As a Principal with CEC, you will lead teams focused on groundwater and surface water compliance and permitting for solid waste, industrial waste, and coal…
Added 27 mins ago
E
Software System Engineer
ESM
Columbus, OH
- $136,000 to $162,000 USD / year
…Defense and Federal customers. We are hiring a Software System Engineer- Lead to support an enterprise-level program within a federal…
Added 49 mins ago
Site Civil Engineering Design Lead
HDR
Greenville, SC · Columbia, SC · Charleston, SC
…built environment. This isn’t just a job, it’s a chance to lead innovation, engineer impact, and build a legacy of…
Added 49 mins ago
Site Civil Engineering Team Lead
HDR
Greenville, SC · Columbia, SC · Charleston, SC
…built environment. This isn’t just a job, it’s a chance to lead innovation, engineer impact, and build a legacy of…
Added 1 hour ago
E
Software System Engineer
ESM
Fort Belvoir, VA
- $136,000 to $162,000 USD / year
…Defense and Federal customers. We are hiring a Software System Engineer- Lead to support an enterprise-level program within a federal…
Added 1 hour ago
Senior Perception AI Engineer - Autonomous Vehicles
NVIDIA USA
CA
Geometry and C++ engineering: building the post-processing that turns network outputs into stable, consistent, production-ready map elements.
Added 1 hour ago
OO
Cloud Solutions Engineer
Office of the Director of National Intelligence
McLean, VA
- $143,913 to $187,093 USD / year
Lead integration efforts to ensure interoperability of cloud-based capabilities developed by separate service providers; coordinate testing of new capabilities with stakeholders.
Added 1 hour ago
Sr. Mechanical Engineer - Liquid Cooling (TCS/SFN)
Vertiv
Westerville, OH
Global Technical Lead - Liquid Cooling (TCS/SFN)
Added 1 hour ago
Information Systems Security Engineer - Active TS/SCI with CI Poly
ENS Solutions, LLC
Washington, DC
Transform technology into opportunity as a Cybersecurity Systems Engineer/Information Systems Security Engineer (ISSE). A career in enterprise IT means connecting and enhancing the systems…
Added 1 hour ago
Cloud Engineer - Active TS/SCI with CI POLY
ENS Solutions, LLC
Reston, VA
As a Sr. Cloud Engineer, you will be a key player in architecting, designing, and implementing cloud solutions that empower our clients to leverage the full potential of cloud technologies.…
Added 1 hour ago
Senior DevSecOps Engineer - Active TS/SCI with CI Poly
ENS Solutions, LLC
Reston, VA
As a Sr. DevSecOps Engineer, you’ll play a critical role in designing, implementing, and maintaining secure and efficient software development and deployment pipelines. You will collaborate…
Added 1 hour ago
Sr. DevSecOps Engineer - Active TS/SCI with CI Poly
ENS Solutions, LLC
Reston, VA
As a Sr. DevSecOps Engineer, you’ll play a critical role in designing, implementing, and maintaining secure and efficient software development and deployment pipelines. You will collaborate…
Added 1 hour ago
Senior ForeScout Engineer - Active TS/SCI with CI Poly
ENS Solutions, LLC
Reston, VA
…environment to solve complex security challenges. You will lead a team as they engineer solutions to complex challenges for customers using knowledge of network engineering, Active…
Added 1 hour ago
Senior ForeScout Engineer - Active TS/SCI with CI Poly
ENS Solutions, LLC
Washington, DC
…environment to solve complex security challenges. You will lead a team as they engineer solutions to complex challenges for customers using knowledge of network engineering, Active…
Added 1 hour ago
ForeScout Engineer - Active TS/SCI With CI Poly
ENS Solutions, LLC
Washington, DC
…environment to solve complex security challenges. You will lead a team as they engineer solutions to complex challenges for customers using knowledge network engineering, Active Directory,…
Added 1 hour ago
ForeScout Engineer - Active TS/SCI With CI Poly
ENS Solutions, LLC
Reston, VA
…environment to solve complex security challenges. You will lead a team as they engineer solutions to complex challenges for customers using knowledge network engineering, Active Directory,…
Added 1 hour ago
Infoblox Systems Engineer - Active TS/SCI with CI Poly
ENS Solutions, LLC
Annapolis Junction, MD
Our work depends on an Infoblox Systems Engineer joining our team to support Government activities in Annapolis Junction, MD, Sterling, VA, or Colorado Springs, CO.
Added 1 hour ago
Infoblox Systems Engineer - Active TS/SCI with CI Poly
ENS Solutions, LLC
Sterling, VA
Our work depends on an Infoblox Systems Engineer joining our team to support Government activities in Annapolis Junction, MD, Sterling, VA, or Colorado Springs, CO.
Added 1 hour ago
Infoblox Systems Engineer - Active TS/SCI with CI Poly
ENS Solutions, LLC
Aurora, CO
Our work depends on an Infoblox Systems Engineer joining our team to support Government activities in Annapolis Junction, MD, Sterling, VA, or Colorado Springs, CO.
Added 1 hour ago
Security Engineer (TOP SECRET Clearance Required)
i3
Chantilly, VA
We are seeking a Senior Security Engineer to secure enterprise applications, cloud environments, and critical infrastructure. This role involves advancing the organization's security…
Added 1 hour ago
Network Engineer - Top Secret Clearance Required
i3
Chantilly, VA
Lead zero-trust network design initiatives and cross-enclave interoperability solutions.

ENS Solutions, LLC

Information Systems Security Engineer - Active TS/SCI with CI Poly

Washington, DC, United States

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Job details

Experience: Required Education and Experience: Technical Training, Certification(s) or Degree + 10 years
Posting language: English
Posted: Aug 12, 2026

Original job description

Transform technology into opportunity as a Cybersecurity Systems Engineer/Information Systems Security Engineer (ISSE). A career in enterprise IT means connecting and enhancing the systems that matter most. You'll be at the forefront of innovation and play a meaningful part in improving how agencies operate. As a Cybersecurity Systems Engineer/Information Systems Security Engineer (ISSE) you will help ensure today is safe and tomorrow is smarter. HOW A CYBERSECURITY SYSTEMS ENGINEER/INFORMATION SYSTEMS SECURITY ENGINEER (ISSE) WILL MAKE AN IMPACT: ⦁ Lead Accreditation and Authorization (A&A) reviews by Group level ISSMs and Security Controls Assessors (SCA). ⦁ Documents the various security control implementations as well as gather the artifacts that support the Risk Management Framework (RMF) and ICD 503 Security Accreditation for the various Assessment and Authorization (A&A) efforts. ⦁ Document and obtain a general understanding of the architecture being developed or that was developed for each project in order to write the Systems Security Plans (SSP) / CONOPS. ⦁ Gather the information by working with various systems owners, project managers, and engineering team members in order to write various additional A&A related documents such as Contingency Plan (CP), General User Guide (GUG), Privileged User Guide (PUG), Standard Operating Procedures (SOP' s), etc. ⦁ Document the Plans of Actions and Milestones (POA&Ms) implementation responses or mitigations, as well as provide all required artifacts (i.e evidence gathering from the system owners, PMs, and engineering teams). ⦁ Coordinating with various contractor and customer personnel to obtain the A&A content, as well as working with various customer security organizations to navigate the customer's A&A process in order to achieve Authority to Develop (A TD), Interim Authority to Test (IA TT), and Authority to Operate (ATO) for each of the primary and secondary assigned systems. ⦁ Monitor each of the various A&A projects within the customer's A&A process and be able to fluently discuss the status at all levels. ⦁ Support audit liaison activities, and compliance oversight activities to strengthen the security program and promote compliance with the Risk Management Framework (RMF). ⦁ Perform technical content reviews and edits as part of the document updates as part of the Annual ISCM and OA Strategy Plan Update. ⦁ Conduct a technical review and update of the control volatility section of the plan considering emerging threats, changes to the agency security posture, the latest IC guidance, DIA policy, federal laws, standards, and guidance, et., and based on information profile (e.g., High Value Asset (HY A), TS (SCI), Secret, etc.). ⦁ Provide audit liaison support for internal and external audits and data calls for external reporting. Document and provide concise and actionable recommendations and process improvements reports.

Required Education and Experience: Technical Training, Certification(s) or Degree + 10 years
Certifications: DoD Manual 8570.01-M at the Information Assurance System Architects & Engineer (IASAE) Level II role
Security Clearance Level: TS/SCI clearance and ability to obtain and maintain a CI Polygraph
Location: On Customer Site

Essential Network Security (ENS) Solutions, LLC is a service-disabled veteran owned, highly regarded IT consulting and management firm. ENS consults for the Department of Defense (DoD) and Intelligence Community (IC) providing innovative solutions in the core competency area of Identity, Credential and Access Management (ICAM), Software Development, Cyber and Network Security, System Engineering, Program/Project Management, IT support, Solutions, and Services that yield enduring results. Our strong technical and management experts have been able to maintain a standard of excellence in their relationships while delivering innovative, scalable and collaborative infrastructure to our clients. Why ENS?

Free Platinum-Level Medical/Dental/Vision coverage, 100% paid for by ENS
401k Contribution from Day 1
PTO + 11 Paid Federal Holidays
Long & Short Term Disability Insurance
Group Term Life Insurance
Tuition, Certification & Professional Development Assistance
Workers’ Compensation
Relocation Assistance

Candidate AI Usage Policy AI tools are an important part of daily work at ENS Solutions, and we are committed to their responsible and ethical use. To ensure a fair and equitable candidate evaluation based on individual skills, knowledge, and experience, candidates are not permitted to use artificial intelligence or other assistive tools during interviews, whether in person or virtual, unless explicit permission has been granted in advance.