Software Developer- C/C#
Fort Belvoir, VA ยท On-site
In addition, desired skills/certifications are: o Offensive Security Experienced Pentester (OSEP ... Reverse Engineering Malware (GREM) Minimum Clearance Required to Start: Top Secret SCI This ...
Fort Belvoir, VA ยท On-site
In addition, desired skills/certifications are: o Offensive Security Experienced Pentester (OSEP ... Reverse Engineering Malware (GREM) Minimum Clearance Required to Start: Top Secret SCI This ...
Fort Belvoir, VA ยท On-site
In addition, desired skills/certifications are: o Offensive Security Experienced Pentester (OSEP ... Reverse Engineering Malware (GREM) Minimum Clearance Required to Start: Top Secret SCI This ...
Fort Belvoir, VA ยท On-site
In addition, desired skills/certifications are: o Offensive Security Experienced Pentester (OSEP ... Reverse Engineering Malware (GREM) Minimum Clearance Required to Start: Top Secret SCI This ...
Fort Belvoir, VA ยท On-site
In addition, desired skills/certifications are: o Offensive Security Experienced Pentester (OSEP ... Reverse Engineering Malware (GREM) Minimum Clearance Required to Start: Top Secret SCI This ...
Stafford, VA ยท On-site
MANTECH seeks a Junior Offensive Cyber Engineer to perform analysis of cybersecurity packages using ... Ensure system documentation reflects current system security configurations to include hardware and ...
Stafford, VA ยท On-site
MANTECH seeks a Junior Offensive Cyber Engineer to perform analysis of cybersecurity packages using ... Ensure system documentation reflects current system security configurations to include hardware and ...
Stafford, VA ยท On-site
$69K - $116K/yr
MANTECH seeks a Junior Offensive Cyber Engineer to perform analysis of cybersecurity packages using ... Perform analyses of security implementations for assigned systems pertaining to people, processes ...
Stafford, VA ยท On-site
$69K - $116K/yr
MANTECH seeks a Junior Offensive Cyber Engineer to perform analysis of cybersecurity packages using ... Perform analyses of security implementations for assigned systems pertaining to people, processes ...
Stafford, VA ยท On-site
$69K - $116K/yr
General information Requisition # R67146 Locations USA-VA-Stafford Posting Date 04/21/2026 Security ... MANTECH seeks a Junior Offensive Cyber Engineer to perform analysis of cybersecurity packages using ...
Stafford, VA ยท On-site
$69K - $116K/yr
General information Requisition # R67146 Locations USA-VA-Stafford Posting Date 04/21/2026 Security ... MANTECH seeks a Junior Offensive Cyber Engineer to perform analysis of cybersecurity packages using ...
Reston, VA ยท On-site
Experience carrying out social-engineering assessments * Development/modification of exploits ... Offensive Security Certified Professional (OSCP) * Certified Red Team Professional (CRTP) * GIAC ...
Reston, VA ยท On-site
Experience carrying out social-engineering assessments * Development/modification of exploits ... Offensive Security Certified Professional (OSCP) * Certified Red Team Professional (CRTP) * GIAC ...
Fort Belvoir, VA ยท On-site
Antivirus evasion, EDR evasion, offensive infrastructure, phishing and social engineering ... Security, Rogue Ops- Red Team 1 (ROPS), Certified Professional (OSCP), Global Information Assurance ...
Fort Belvoir, VA ยท On-site
Antivirus evasion, EDR evasion, offensive infrastructure, phishing and social engineering ... Security, Rogue Ops- Red Team 1 (ROPS), Certified Professional (OSCP), Global Information Assurance ...
Fort Belvoir, VA ยท On-site
Antivirus evasion, EDR evasion, offensive infrastructure, phishing and social engineering ... Security, Rogue Ops- Red Team 1 (ROPS), Certified Professional (OSCP), Global Information Assurance ...
Fort Belvoir, VA ยท On-site
Antivirus evasion, EDR evasion, offensive infrastructure, phishing and social engineering ... Security, Rogue Ops- Red Team 1 (ROPS), Certified Professional (OSCP), Global Information Assurance ...
Arlington, VA ยท Remote
$59.50 - $82/hr
We are looking for experienced and passionate people who have a background in vulnerability research, offensive security and reverse engineering on Apple platforms. The role: * You'll join our team ...
Quick apply
Arlington, VA ยท Remote
$59.50 - $82/hr
We are looking for experienced and passionate people who have a background in vulnerability research, offensive security and reverse engineering on Apple platforms. The role: * You'll join our team ...
Arlington, VA ยท On-site +1
$59.50 - $82/hr
We are looking for experienced and passionate people who have a background in vulnerability research, offensive security and reverse engineering on Apple platforms. The role: * You'll join our team ...
Arlington, VA ยท On-site +1
$59.50 - $82/hr
We are looking for experienced and passionate people who have a background in vulnerability research, offensive security and reverse engineering on Apple platforms. The role: * You'll join our team ...
Herndon, VA ยท On-site
$129K - $177K/yr
CNO Developer--designs, develops, and tests offensive cyber tools, techniques, and integrated effects for computer network operations (CNO), a critical aspect of national security. These roles ...
Herndon, VA ยท On-site
$129K - $177K/yr
CNO Developer--designs, develops, and tests offensive cyber tools, techniques, and integrated effects for computer network operations (CNO), a critical aspect of national security. These roles ...
Herndon, VA ยท On-site
$150K - $250K/yr
... offensive and defensive cyber problems for our clients. Description Job Title: Android Cyber Tool ... As an Android Cyber Tool Developer, you will play a crucial role in researching and developing ...
Herndon, VA ยท On-site
$150K - $250K/yr
... offensive and defensive cyber problems for our clients. Description Job Title: Android Cyber Tool ... As an Android Cyber Tool Developer, you will play a crucial role in researching and developing ...
Software Engineer (Entry-Level / Developmental) Location: Chantilly, Virginia Security Clearance: Active TS/SCI with polygraph Job Type: Full-Time Position Overview The selected candidate will ...
Software Engineer (Entry-Level / Developmental) Location: Chantilly, Virginia Security Clearance: Active TS/SCI with polygraph Job Type: Full-Time Position Overview The selected candidate will ...
Centreville, VA ยท On-site
$225K/yr
... offensive Cyber solutions to real-world problems. We are looking for someone who is passionate ... knowledge of OS security features, Reverse Engineering, Vulnerability Analysis, Networking ...
Centreville, VA ยท On-site
$225K/yr
... offensive Cyber solutions to real-world problems. We are looking for someone who is passionate ... knowledge of OS security features, Reverse Engineering, Vulnerability Analysis, Networking ...
Software Engineer (Entry-Level / Developmental) Location ... Chantilly, Virginia Security Clearance: Active TS/SCI with polygraph Job Type: Full-Time Position ...
Quick apply
Software Engineer (Entry-Level / Developmental) Location ... Chantilly, Virginia Security Clearance: Active TS/SCI with polygraph Job Type: Full-Time Position ...
$135K - $177K/yr
We are looking for someone with a background in embedded system programming, security-oriented ... Design, develop, and test embedded software to support offensive cybersecurity research and deliver ...
$135K - $177K/yr
We are looking for someone with a background in embedded system programming, security-oriented ... Design, develop, and test embedded software to support offensive cybersecurity research and deliver ...
Collaborating with system engineers, administrators, and DevSecOps teams to integrate security ... From entry-level employees to senior leaders, we believe there's always room to learn. We offer ...
Collaborating with system engineers, administrators, and DevSecOps teams to integrate security ... From entry-level employees to senior leaders, we believe there's always room to learn. We offer ...
Mclean, VA ยท On-site +1
$62K - $141K/yr
This is a fast-paced environment that combines offensive security expertise with consulting skills ... Knowledge of programming languages such as Python or Golang * Ability to operate in a fast-paced ...
Mclean, VA ยท On-site +1
$62K - $141K/yr
This is a fast-paced environment that combines offensive security expertise with consulting skills ... Knowledge of programming languages such as Python or Golang * Ability to operate in a fast-paced ...
Centreville, VA ยท On-site
$63K - $111K/yr
Parsons is seeking an entry-level engineer with a Top Secret clearance to join our agile, tight ... Clearance: Active Top Secret or higher security clearance, which requires US citizenship
Centreville, VA ยท On-site
$63K - $111K/yr
Parsons is seeking an entry-level engineer with a Top Secret clearance to join our agile, tight ... Clearance: Active Top Secret or higher security clearance, which requires US citizenship
Herndon, VA ยท On-site
$106K - $159K/yr
Design, develop, and test embedded software to support offensive cybersecurity research and deliver ... Basic reverse engineering skills. Security Clearance: Active Top Secret Clearance is required, with ...
Herndon, VA ยท On-site
$106K - $159K/yr
Design, develop, and test embedded software to support offensive cybersecurity research and deliver ... Basic reverse engineering skills. Security Clearance: Active Top Secret Clearance is required, with ...
| Aspect | Entry Level Offensive Security Engineer | Penetration Tester |
|---|---|---|
| Certifications | CompTIA Security+, CEH (Certified Ethical Hacker) | CEH, OSCP (Offensive Security Certified Professional) |
| Work Environment | Security teams, cybersecurity firms, internal security departments | Consulting firms, security companies, freelance engagements |
| Job Focus | Identify vulnerabilities, develop attack simulations, improve security posture | Perform targeted security assessments, exploit vulnerabilities, report findings |
Both roles involve assessing security weaknesses, often requiring similar certifications like CEH. An Entry Level Offensive Security Engineer typically works within organizations to strengthen defenses, while a Penetration Tester often conducts external assessments for clients. The main difference lies in their scope: engineers focus on proactive security development, whereas testers focus on identifying vulnerabilities through simulated attacks.

Full-time
Medical, Dental, Vision, Life, Retirement, PTO
Posted 17 days ago
Sourced by ZipRecruiter
11 - 50 Employees
McLean, VA, US
2011