Jobs in the United States

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Added 4 mins ago
RC
Part Time Software Platform Engineer Co-Op (Remote)
RTX Corporation
aurora, CO
- Part-time
Raytheon is hiring SW Platform Engineer Co-Ops as a part of the Raytheon Cooperative Education Program (Co‑op). This is a part-time, remote role targeting senior or postgraduate students…
Added 4 mins ago
Senior Platforms Engineer, Compute, Storage, and Virtualization
Marathon Petroleum Corporation
Denver, CO
…landscape, we are seeking a dynamic and experienced Senior Platforms Engineer to join our Infrastructure Engineering & Operations organization. This role combines deep technical expertise…
Added 4 mins ago
Google Infrastructure and Security Lead Architect
Deloitte
Denver, CO
…operations, and security teams to foster a culture of automation and DevSecOps…
Added 4 mins ago
Google AI Architect
Deloitte
Denver, CO
2+ years implementing CI/CD and DevSecOps with Cloud Build, GitHub Actions, or Jenkins.
Added 5 mins ago
EG
Dev Lead
Eliassen Group
Denver, CO
- $110 to $120 USD / hour
2+ years as a senior or principal engineer with design, implementation, and operational ownership.
Added 19 mins ago
EG
Dev Lead
Eliassen Group
Charleston, WV
- $110 to $120 USD / hour
2+ years as a senior or principal engineer with design, implementation, and operational ownership.
Added 26 mins ago
EG
Dev Lead
Eliassen Group
Indianapolis, IN
- $110 to $120 USD / hour
2+ years as a senior or principal engineer with design, implementation, and operational ownership.
Added 39 mins ago
Senior Software Engineer
Trinzic
Redstone Arsenal, AL
KBR is seeking a Senior Software (SW) Engineer to support the U.S. Army Integrated Fires Mission Command (IFMC) Project Office located at Redstone Arsenal in Huntsville, Alabama. The role…
Added 40 mins ago
EG
Dev Lead
Eliassen Group
Montgomery, AL
- $110 to $120 USD / hour
2+ years as a senior or principal engineer with design, implementation, and operational ownership.
Added 54 mins ago
EG
Dev Lead
Eliassen Group
Lansing, MI
- $110 to $120 USD / hour
2+ years as a senior or principal engineer with design, implementation, and operational ownership.
Added 1 hour ago
EG
Dev Lead
Eliassen Group
Boise, ID
- $110 to $120 USD / hour
2+ years as a senior or principal engineer with design, implementation, and operational ownership.
Added 1 hour ago
EG
Dev Lead
Eliassen Group
Juneau, AK
- $110 to $120 USD / hour
2+ years as a senior or principal engineer with design, implementation, and operational ownership.
Added 1 hour ago
EG
Dev Lead
Eliassen Group
Santa Fe, NM
- $110 to $120 USD / hour
2+ years as a senior or principal engineer with design, implementation, and operational ownership.
Added 1 hour ago
EG
Dev Lead
Eliassen Group
Montpelier, VT
- $110 to $120 USD / hour
2+ years as a senior or principal engineer with design, implementation, and operational ownership.
Added 2 hours ago
EG
Dev Lead
Eliassen Group
Dover, DE
- $110 to $120 USD / hour
2+ years as a senior or principal engineer with design, implementation, and operational ownership.
Added 4 hours ago
Cybersecurity Engineer, Journeyman
Astrion
El Segundo, CA
Astrion is seeking an experienced Cybersecurity Engineer to support the Space Sensing Directorate, SSC in the protection, monitoring, and assessment of information systems and networks.…
Added 4 hours ago
Mid Level Cloud Developer - Top SECRET - Fully ONSITE
VISUAL SOFT, INC
Huntsville, AL
We are seeking an experienced Mid Level Cloud DevOps Engineer to support the design, automation, deployment, and maintenance of mission-critical cloud infrastructure in a classified AWS…
Added 4 hours ago
Senior Software Developer - Top SECRET - Fully ONSITE
VISUAL SOFT, INC
Huntsville, AL
…clearance. The ideal candidate is a highly skilled full-stack engineer with deep experience in cloud-native architectures, DevSecOps, and secure software development…
Added 4 hours ago
Senior Cloud DevOps Engineer - Top SECRET - Fully ONSITE
VISUAL SOFT, INC
Huntsville, AL
We are seeking an experienced Senior Cloud DevOps Engineer to support the design, automation, deployment, and maintenance of mission-critical cloud infrastructure in a classified AWS…
Added 4 hours ago
Linux System Administrator -Senior - Active TS is required (ONSITE - 100%)
VISUAL SOFT, INC
Huntsville, AL
Support and integrate CI/CD pipelines and DevSecOps practices.
Added 4 hours ago
Senior DevSecOps Engineer - Top SECRET - ONSITE
VISUAL SOFT, INC
Huntsville, AL
We are seeking an experienced **Senior DevSecOps Engineer** to design, automate, and secure our enterprise CI/CD workflows and cloud architecture. In this role, you will embed **DevSecOps**…
Added 4 hours ago
Dev Ops Engineer - Mid Level - Top SECRET-ONSITE
VISUAL SOFT, INC
Huntsville, AL
Job Title: Dev Ops Engineer - Mid Level - an Active Top SECRET required
Added 4 hours ago
Senior Cloud DevOps Engineer / Top SECRET / ONSITE
VISUAL SOFT, INC
Washington, DC
Job Title: Senior Cloud DevOps Engineer - Top SECRET
Added 5 hours ago
Principal Software Engineer, AI Defense (Hybrid)
Cisco Systems, Inc.
Milpitas, CA
As a Principal Software Engineer for AI Defense, you will serve as the chief technical authority driving the end-to-end security architecture for Cisco's enterprise AI ecosystems. You will…
Added 5 hours ago
Senior Software Engineer - Java, AWS, & Distributed Systems
BOK Financial
OR
As a Senior Software Engineer, you’ll be a hands-on technical leader and key contributor in a cross-functional team, often acting as a technical lead. You’ll design, build, and operate Java…

Dynetics, Inc

Sr. Offensive Cyber Engineer

Lawton, OK, United States

Pay Range $107,900.00 - $195,050.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary.

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Job details

Pay: Pay Range $107,900.00 - $195,050.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary.
Posting language: English
Posted: Oct 29, 2026

Original job description

Leidos has a new and exciting opportunity for a Sr. Offensive Cyber Engineer in our INTEL Sector's Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security!

We are seeking an experienced Sr. Offensive Cyber Engineer (Penetration Tester) with detection engineering capabilities to conduct comprehensive security assessments on enterprise and government systems. In this role, you will perform offensive testing while collaborating closely with defensive security teams (CEMA Resiliency System [CRS]) to translate attack findings into resilient threat detection capabilities.

This is a full-time position with the Leidos office in Lawton, OK. The position consists of developing custom exploits and automation tools based on identified vulnerabilities and collaborating with detection engineering teams to translate offensive security findings into defensive capabilities. This includes traveling to testing events to verify exploit effectiveness in operational environments and coordinating with Cyber Response System (CRS) teams to develop and validate threat detectors. The position is responsible for researching and analyzing technical documentation on assigned systems, serving as a subject matter expert on system classification guides and detection capabilities, and ensuring timely delivery of technical findings, recommendations, and after-action reports to both offensive and defensive security stakeholders. The position also includes serving as the sites technical lead, performing comprehensive penetration tests and vulnerability assessments on enterprise and government systems, including classified environments, while conducting deep-dive analysis of network protocols, cloud infrastructure, and web applications. At higher technical levels, this includes planning and identifying future testing events and opportunities to enhance organizational security posture.

Primary Responsibilities:

Develop custom exploits, payloads, and automation tools tailored to identified system vulnerabilities.
Serve as the site technical lead, executing end-to-end penetration tests and vulnerability assessments across enterprise, government, and classified environments.
Perform deep-dive analysis across network protocols, cloud infrastructure (AWS/Azure/GCP), and web applications.
Collaborate with detection engineering and CEMA Resiliency System (CRS) teams to validate, test, and improve threat detectors based on offensive tactics, techniques, and procedures (TTPs).
Travel to operational testing events to verify exploit effectiveness in real-world scenarios.
Research technical system documentation and serve as a Subject Matter Expert (SME) on system security classification guides and detection capabilities.
Author and present comprehensive technical findings, remediation recommendations, and after-action reports for both technical staff and executive stakeholders.
Support long-term operational planning by identifying future test opportunities to strengthen organizational security posture.

Basic Qualifications:

Bachelor’s degree in Cybersecurity, Computer Science, Computer Engineering, Electrical Engineering, or a related technical discipline with 8+ years of relevant experience; OR a Master’s degree with 6+ years of experience; OR an additional 4 years of related experience in lieu of a degree (12+ years total).
8+ years of dedicated hands-on experience in penetration testing, red teaming, or offensive security operations.
Proficiency with Linux distributions (e.g., Kali, Parrot) and Windows operating systems at an administrative/deep-system level.
Demonstrated scripting and development capability using languages such as Python, Bash, or PowerShell for tool automation and exploit modification.
Strong understanding of networking concepts, TCP/IP architecture, and security protocols.
Must be a US Citizen and be able to obtain and maintain an active Top Secret / Sensitive Compartmented Information (TS/SCI) security clearance.
Willingness to work on-site in Lawton, OK (or relocate prior to start date) and travel to testing events as required.

Preferred Technical Qualifications:

Offensive Security Certifications: OSCP, GPEN, GWAPT, CPTS, or GXPN
Defense & Detection: Experience in Detection Engineering, SOC operations, threat hunting, or utilizing frameworks like MITRE ATT&CK.
Cloud & Modern Tech: Experience evaluating cloud environments (AWS, Azure, GCP) using assessment tools (e.g., ScoutSuite, Pacu, Prowler).
Reverse Engineering / Low-Level: Experience with binary analysis, disassembly, and reverse engineering.
DevSecOps & Collaboration: Familiarity with Git version control, CI/CD pipelines, and Agile workflows.

Professional Experience:

Government/Defense Experience: Prior background working within DoD or classified environments with a solid grasp of classification markings and handling procedures.
Strong written and verbal communication skills for technical documentation and executive reporting
Ability to translate complex technical findings into actionable recommendations for diverse audiences
Experience presenting security findings to both technical teams and executive leadership
Proven ability to collaborate across offensive and defensive security teams

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.

Original Posting:

October 29, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $107,900.00 - $195,050.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

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More about this job

Skills

CRS
Documentation
AWS
Microsoft Azure
Google Cloud
Research
Cybersecurity
Computer science
Computer engineering
Electrical engineering
Penetration testing
Linux
Microsoft Windows
Python
Bash
Microsoft PowerShell
MITRE ATT&CK
Reverse engineering
Collaboration
Git
CI/CD
Agile
Communication skills
Reporting

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