Jobs in the United States

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Added 23 hours ago
ISSE/Cybersecurity Engineer- TS/SCI w/poly
GD Information Technology, Inc.
United States
Advance how our customers operate while you advance your career. Join GDIT as an ISSE/Cybersecurity Engineer and build an impactful career in enterprise IT, collaborating with people who…
Added 2 days ago
Information Systems Security Engineer (ISSE)
AnaVation
Remote, United States
AnaVation is seeking a highly motivated Information Systems Security Engineer(ISSE) to support a high-visible contract and will be responsible for delivering cybersecurity engineering,…
Added 19 days ago
Edge Information Systems Security Engineer (ISSE)
Huntington Ingalls Industries
Springfield, VA
…the sensitivity of the operational environment, an active TS/SCI security clearance will be required. Candidate must be willing to obtain and maintain a CI…
Added 19 days ago
Sr. Staff Information Systems Security Engineer (ISSE)
CACI International
Chantilly, VA
Job Title: Sr. Staff Information Systems Security Engineer (ISSE)
Added 20 days ago
ST
Information Systems Security Engineer
Solidus Technical So
Aurora, CO
- $155,000 to $209,000 USD / year
Solidus has an immediate career-growth opportunity for a collaborative and highly skilled Information Systems Security Engineer. The ISSE will join our Tech Ops IV program engineering team…
Added 20 days ago
ST
Information Systems Security Engineer
Solidus Technical So
Aurora, CO
- $155,000 to $209,000 USD / year
Solidus has an immediate career-growth opportunity for a collaborative and highly skilled Information Systems Security Engineer. The ISSE will join our Tech Ops IV program engineering team…
Added 21 days ago
INFORMATION SYSTEM SECURITY ENGINEER (Must have Active TS/SCI w/CI Poly Clearance)
NorthHill Technology
Fairfax, VA
One of our key clients has an immediate opening for an Information System Security Engineer (ISSE) with an active TS/SCI w/CI Poly Clearance to work Full Time in their Fairfax, VA…
Added 21 days ago
Information Systems Security Engineer (ISSE)
Full Scope
Annapolis Junction, MD
Job Title: Information Systems Security Engineer (ISSE)
Added 21 days ago
Information Systems Security Engineer | ISSE1 | TS/SCI w/ poly security clearance
Power3 Solutions
Annapolis Junction, MD
Information Systems Security Engineer ISSE 1 | TS/SCI w/ poly Security Clearance
Added 21 days ago
Information Systems Security Engineer (ISSE)
WILLCOR Inc
Linthicum, MD
We are seeking a highly skilled Information Systems Security Engineer (ISSE) to support cybersecurity assessments and Risk Management Framework (RMF) evaluations for both classified and…
Added 23 days ago
Sr. Staff Information Systems Security Engineer (ISSE)
CACI
Chantilly, VA · Chantilly
Job Title: Sr. Staff Information Systems Security Engineer (ISSE)
Added 25 days ago
Senior Information System Security Engineer (Splunk Engineer)
The Mitre Corporation
Bedford, MA
The Cybersecurity Risk Management Department (R311) within the Global Security Division (R300) is looking to fill a Senior Information Systems Security Engineer position, with a focus on…
Added 25 days ago
Sr. Staff Information Systems Security Engineer (ISSE)
CACI, INC.-FEDERAL
Chantilly, VA
Job Title: Sr. Staff Information Systems Security Engineer (ISSE)
Added 25 days ago
Information Systems Security Engineer (Active TS/SCI Required)
missionovo
Herndon/Chantilly, VA
We are seeking an Information Systems Security Engineer (ISSE) to support the design, implementation, and sustainment of secure mission systems. In this role, you will collaborate with…
Added 25 days ago
Cyber Systems Engineer/ Information System Security Engineer (ISSE)
Amentum
United States
As a Cyber Systems Engineer/ Information System Security Engineer (ISSE) at Amentum, you will play a vital role in safeguarding national security by protecting the integrity,…
Added 26 days ago
Sr Information Systems Security Engineer (ISSE), Advisor - TS/SCI w/poly
Peraton
Huntsville, AL
Peraton is seeking an Information Systems Security Engineer - to support its Federal Strategic Cyber programs.
Added 26 days ago
Sr Information Systems Security Engineer (ISSE), Advisor - TS/SCI w/poly
Peraton
Quantico, VA
Peraton is seeking an Information Systems Security Engineer - to support its Federal Strategic Cyber programs.
Added 26 days ago
Sr Information Systems Security Engineer (ISSE), Advisor - TS/SCI w/poly
Peraton
Washington, DC
Peraton is seeking an Information Systems Security Engineer - to support its Federal Strategic Cyber programs.
Added 26 days ago
Sr Information Systems Security Engineer (ISSE) - VRT, Advisor - TS/SCI w/poly
Peraton
Washington, DC
Peraton is seeking an Information Systems Security Engineer – Vulnerability Remediation Team (VRT) - based to support its Federal Strategic Cyber programs.
Added 26 days ago
Sr Information Systems Security Engineer (ISSE) - SCA, Advisor - TS/SCI w/poly
Peraton
Huntsville, AL
Peraton is seeking an Information Systems Security Engineer – Security Control Assessors (SCA) to support its Federal Strategic Cyber programs.
Added 26 days ago
Sr Information Systems Security Engineer (ISSE) - SCA, Advisor - TS/SCI w/poly
Peraton
Quantico, VA
Peraton is seeking an Information Systems Security Engineer – Security Control Assessors (SCA) to support its Federal Strategic Cyber programs.
Added 26 days ago
Sr Information Systems Security Engineer (ISSE) - SCA, Advisor - TS/SCI w/poly
Peraton
Washington, DC
Peraton is seeking an Information Systems Security Engineer – Security Control Assessors (SCA) to support its Federal Strategic Cyber programs.
Added 26 days ago
Information Systems Security Engineer Level 1 - AI/ML Project TS/SCI w Poly
Peraton
Laurel, MD
The Information Systems Security Engineer (ISSE) shall perform, or review, technical security assessments of computing environments to identify points of vulnerability, non-compliance with…

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Solidus Technical So

Information Systems Security Engineer

Aurora, CO, United States

$155,000 to $209,000 USD / year

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Job details

Pay: $155,000 to $209,000 USD / year
Posting language: English
Posted: Aug 18, 2026

Original job description

This position requires onsite work in Aurora, CO and an active TS/SCI w/POLY security Clearance. Candidates who do not hold this clearance are not eligible for hire.

Solidus has an immediate career-growth opportunity for a collaborative and highly skilled Information Systems Security Engineer. The ISSE will join our Tech Ops IV program engineering team in Aurora, CO, supporting a high priority 24x7 operational system. The ISSE performs core activities to include providing certified services and support for Information Assurance/Program Protection efforts for compliance with governing DoD Cybersecurity directives. This position will support activities of the program to target, assess, and report risks and vulnerabilities of Intelligence Community organization systems to provide senior decision makers with actionable data to make strategic decisions. The ISSE shall perform, or review, technical security assessments of computing environments to identify points of vulnerability and non-compliance with established Information Assurance (IA) standards, regulations and recommend mitigation strategies. This position is responsible for the maintenance and administration of multiple domains, including a 24/7 operational system and a test facility. Must be willing to occasionally provide after hour support to the 24/7 operational system.

Day in the Life:

Implement Information Assurance (IA) processes, provide guidance, and develop documentation throughout the system development life-cycle via the RMF tool in ServiceNOW
Develop, implement, and document formal security policies and System Security Plans (SSP) throughout the program and monitor compliance to these policies during all phases of the Risk Management Framework (RMF) process
Utilize Enterprise Security Services to provide analysis of vulnerabilities and compliance risks in ACAS, Enterprise IT audit logs in ArcSight and Splunk, McAfee Host-Based Security Services (HBSS), User Activity Monitoring (UAM), and Cyber Terrain Mapping (CTM) on 100+ nodes
Monitor Heat Map Score matrix and evaluate cyber risk data, keeping the score at acceptable risk levels for the security categorization of the asset(s) and their Risk Evaluation Lanes (REL)
Manage and deliver system authorization and accreditation packages, for 3 assets that span 3 different classification levels
Review and make recommendations on program-level documentation (e.g., requirements specification, system architecture, design documents, test plans, security plans, etc.)
Assess/calculate risk based on threats, vulnerabilities, and shortfalls uncovered in routine analyzation of Continuous Monitoring (ConMon) controls and provide those results as Body of Evidence (BoE) to be evaluated in 7, 30, 90 and 365 day increments as the control metrics require
Direct activities required to remediate system-level information security weaknesses tracked via the FISMA (POA&M) process. Document the elements of the plans, milestones for correcting the weaknesses, and scheduled completion dates for the milestones, periodically reporting remediation progress as necessary
Brief leadership, as needed, on the status of action items and/or results of activities affecting the security posture of the program
Able to collaborate and communicate effectively with other system engineers, system administrators, software developers, and information assurance professionals

Required Qualifications & Experience:

Active TS/SCI w/POLY clearance is required
Bachelor's Degree
Bachelor's Degree in Engineering, or related Science, Technology, Engineering, Mathematics (STEM) degree program.
10 years' experience in lieu of formal degree.
Cultural fit amongst a collaborative team environment
Minimum 5 years' experience, in a security position for the government or government contractor in the Intelligence Community (IC)
A Bachelor's Degree in Information Technology, Information Systems Security, Cybersecurity, or related field
DoD 8570.01 IAT level 2 or greater cybersecurity certification per DoD 8570.01
Experience in security systems engineering involving Linux and CENTOS operation systems and application solutions in both stand-alone and LAN/WAN configurations
Minimum of 10 years' related experience in Cybersecurity, Systems or Software Engineering, for the government or government contractor, if other than IC position
Experience developing Security Authorization Requirements, performing vulnerability assessments, and implementing threat mitigation updates on embedded systems and products
Experience configuring and hardening COTS components with STIGs
Continuous Monitoring and Network monitoring experience
Experience with product development including architecture, requirements, design, integration and testing
Experience with compliance implementation of security requirements (i.e. Risk Management Framework and other A&A processes)
Experience participating in technical reviews with both external and internal customers
Coordinate with ISSO/ISSM to update POA&M and reflect open vulnerabilities associated with servers and workstations, develop remediation plans to include milestone completion dates and status updates, and include mitigation process for closed vulnerabilities.
Participate in Configuration Control Board (CCB)

•

Preferred Qualifications & Experience:

Experience using DISA Security Technical Implementation Guides (STIGs)
Experience onboarding assets to centrally managed Enterprise solutions
Experience conducting risk analysis on products and system components through review of CVEs, plugins, IAVAs
Experience in conducting software due diligence with COTS/GOTS and proprietary solutions
Positive, self-motivated individual who can complete tasks independently
Experience with multi-level security solutions
Experience working in Systems Engineering on complex embedded systems
CISSP (ISC)²

Benefit selection, customer contractual specifications, relevant work experience, skills, competencies, certifications, and clearance status will influence the final salary.

Full benefits: $155,000 to $194,000 annually Reduced benefits (no medical, dental, vision): Up to $209,000 annually

What we will bring:

Solidus offers you an exciting opportunity to tackle the nation's greatest challenges applying innovation and expertise to produce cutting-edge results that have a long-lasting impact. We offer outstanding benefits, generous PTO and much more! Apply today to learn why Solidus has a 4.9/5 Star rating on Glassdoor!

Req ID:5356

Solidus is an Equal Opportunity Employer and provides equal employment opportunities regarding all terms and conditions of employment to all employees and qualified applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. The Company will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application and interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request an accommodation.

Click to review - Federal Job Notices for Job Applicants

Please Note: Solidus does not accept applications from agencies, 3rd party vendors, or applications with incomplete information.

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More about this job

Skills

Documentation
ServiceNow
SSP
Regulatory compliance
Risk management
Splunk
McAfee
Cybersecurity
Reporting
Leadership
Computer technology
Building systems monitoring technology
Linux
LAN
WAN
Embedded systems
Security regulations
Onboarding
CISSP

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