TS/SCI Security Engineer - RMF, Vulnerability & ATO
CACI International
CACI International Inc is seeking a Mid Security Specialist in Denver to join an Agile program delivering GEOINT capabilities to NGA. You will be a hands-on security professional supporting security controls, RMF processes, and POA&Ms across development and deployment lifecycles. The role requires TS/SCI clearance with polygraph ability, a Bachelor's in a related field or equivalent experience, and 4+ years of information security practice. #J-18808-Ljbffr CACI International
$150k - $195k
...Penetration Tester (Pen Tester) is a security professional who reviews and... ...basic reconnaissance and vulnerability scanning in accordance with... ...security, social engineering, and advanced scripting. Pen... ...takes? All positions require: TS/SCI with Poly Level 2 Penetration...SuggestedWork experience placement- A technology engineering firm in Aurora, CO, is seeking a Senior Cyber Security Engineer to ensure system security for critical operations. The role involves vulnerability management, compliance verification, and deployment of security patches. Candidates should hold an...Suggested
- ...support a government customer in Denver, Colorado. Candidates must have an active Top Secret/SCI clearance and preferably OSCP certification. The role involves performing vulnerability scanning, identifying vulnerabilities, and requires a Bachelor's degree or equivalent...Suggested
- GuidePoint Security LLC is seeking a Senior Cyber Security Analyst in Aurora, CO, requiring active TS/SCI CI Poly clearance. The role involves monitoring and analyzing systems to identify cyber threats and ensure security posture. The ideal candidate has over 5 years of...Suggested
- GuidePoint Security, LLC, located in Aurora, Colorado, seeks a Senior Cyber Security Analyst to support critical operations in cybersecurity... ...teams to enhance security. Applicants must possess an active TS/SCI security clearance and have 5+ years of experience in...Suggested
- GuidePoint Security is seeking a Senior Cyber Security Analyst in Aurora, CO. This role involves leveraging technical expertise to support... ...security protocols are followed. Applicants must possess a TS/SCI CI Poly clearance and have significant experience in information...
- Leidos is seeking a Systems Engineer in Denver, Colorado to support an IT contract requiring a TS/SCI clearance with polygraph. This role involves analyzing client needs and providing maintenance and troubleshooting for existing systems. The ideal candidate will have a...Contract work
- Sierra Nevada Corporation is looking for a Principal Systems Security Engineer in Lone Tree, CO. This role involves overseeing the... ...candidate will possess deep expertise in cybersecurity principles, vulnerability management, NIST standards, and hands-on experience with...
- Collins Aerospace is seeking engineers for the HBMAS Sustainment and Development program.... ..., and audit data sets while maintaining security, integrity, and availability of data. The... ...position requires Java development experience, TS/SCI clearance prior to start date, and a...
$119.6k - $187.9k
...Analyst/Programmer to design and develop unique CNO tools. Applicants must have a Bachelor's degree in a related field and a current TS/SCI with Polygraph clearance. The role involves custom software development and documentation for CNO systems. The package includes...- ...information systems. The role collaborates with IS security staff and government stakeholders to... ...years of DoD/federal cybersecurity experience, active TS clearance with SCI eligibility, and hands-on RMF, NIST, and vulnerability management expertise. #J-18808-Ljbffr ERT
$80.1k - $125.8k
...Grumman in Colorado is looking for an Associate Cyber Software Engineer responsible for developing software tools and applications... ...a Bachelor’s degree and relevant experience, along with a TS/SCI w/Polygraph security clearance. The role offers a comprehensive benefits...- ...Information Technology Engineering LLC (ITEC) is... ...seeking a Senior Cyber Security Engineer to join... ...to Operate (ATO) maintenance for Government... ...a key role in vulnerability and compliance... ...Security Clearance: TS/SCI CI poly required.... ...Knowledge of NIST RMF, including SP 800‑...Full time
$154k - $192k
Information Systems Security Engineer (ISSE) Job ID: 2026-9716 Type: Full... ...Security Clearance: TS/SCI Overview Position is contingent... ...Risk Management Framework (RMF) requirements. This role works... ...including architecture reviews, vulnerability assessments, threat analysis...Full timeContract workWork at office$156.4k - $234.6k
...Grumman in Aurora, CO seeks an experienced Cyber Systems Engineer - Level 4. The role will involve designing security systems, implementing compliance controls, and... ...experience, as well as an active Top Secret/SCI clearance. The position offers a salary range of $1...$160k - $200k
Carlsbad Tech in Aurora, CO is seeking a Network Engineer/Systems Administrator with at least 5 years of experience. Candidates must have a Bachelor's degree in a related field and an active TS/SCI security clearance. The role involves maintaining and troubleshooting network...$83.4k - $155.4k
Northrop Grumman is seeking a Network Engineer (Level 2 or 3) in Aurora, CO. The role involves designing network communication... ...’s with some experience. Candidates must also be Security+ certified and possess an active TS/SCI with full-scope polygraph. Salary ranges from $83,400...- Jacobs Engineering Group Inc. is seeking a Network Engineer (CAN/LAN) to support a government customer’s global enterprise... ...opportunities to grow into MPLS WAN work. Required TS/SCI CI Poly and IAT Level 2 (Security+ CE) along with extensive CAN/LAN experience in complex...Full time
- Peraton is seeking a Senior Network Engineer to design, implement, and maintain enterprise... .... The role emphasizes Cisco networking, security, and secure government standards, with... ...IPSec, VOIP, and network monitoring, plus a TS/SCI or Q/SCI clearance. #J-18808-Ljbffr...
$63.3k - $129.7k
Mid Security Information Assurance Engineer Full‑time, regular employee, Agile program... ...to NGA. Minimum TS/SCI clearance required.... ...in accordance with RMF and NGA standards.... ...Perform system hardening, vulnerability assessment, and... ...artifacts supporting ATO and continuous monitoring...Full time$165.01k - $226.89k
## Principal Systems Security Engineer / Senior ISSMApplyremote... ...security execution — vulnerability scanning, SIEM operations... ...team development, ATO lifecycle management,... ...they own the program's RMF/ATO strategy, develop... ...active Top Secret with SCI eligibility U.S. Security...Work experience placementWork at office- ...The TEMPEST Security Specialist assists the Certified TEMPEST Technical Authority (CTTA) in... ...where Sensitive Compartmented Information (SCI) is electronically processed meet security... ...Design Course. Security Clearance Level: TS/SCI with polygraph. Preferred Skill: Graduation...For contractorsWork at office
$129.3k - $193.9k
...Grumman in Aurora, CO is seeking a Senior Principal Network Engineer who will design and plan network communication systems... ...interconnections. The ideal candidate should have an active TS/SCI clearance and Security+ certification, with a strong background in...- CACI International Inc. is looking for a Network Engineer III to join our team in Denver, Colorado. This role involves supporting intelligence community networks and requires a TS/SCI clearance. The ideal candidate will have over 8 years of experience in Network technologies...
$75k - $260k
...provider in Aurora, Colorado, is seeking candidates for various engineering roles, from entry-level to senior positions. Key... ...operations and mentoring technical teams. The roles require an active TS/SCI w/Poly and offer a competitive salary range from $75,000 to $2...- ...and mission solutions has an exciting opportunity for a Software Engineer in Colorado. The role involves software development lifecycle... ...Competitive benefits include paid time off and flexible schedules. Join us to contribute to national security efforts! #J-18808-Ljbffr LeidosFlexible hours
- ...International Inc. is seeking a Mid Security Information Assurance Engineer to join an Agile program... ...on-site role requires TS/SCI clearance and up to 10%... ...systems and support ATO/continuous monitoring activities... ...Responsibilities include RMF-based security controls, DevSecOps...
- Booz Allen Hamilton is seeking a Senior Cloud Security Architect in Aurora, Colorado. You will guide the development... ...years of experience with Risk Management Framework (RMF), Agile environments, and possess a TS/SCI clearance. Attractive compensation package offered....Remote job
- ...Network Security Engineer LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY... ...with cross-functional teams to identify vulnerabilities, develop security protocols, and ensure compliance...Temporary workFor contractorsImmediate startFlexible hours
- CACI International Inc. is seeking a Senior Systems Engineer to lead requirements analysis for NGA GEOINT capabilities in a government... ...focus on V&V planning and engineering rigor. The role requires TS/SCI with polygraph eligibility, a bachelor's degree in engineering...
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