Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Senior Information Security Engineer, Offensive Security

$175k - $250k

GRVTY

Job Description

Job Description

What Impact You'll Have

Seeking experienced offensive security professionals to conduct security assessments, red team operations, and network exploitation activities in support of client security requirements.

What You'll be Owning

  • Execute offensive cyber operations to assess client networks and identify vulnerabilities
  • Analyze computer networks and systems to identify and assess security weaknesses
  • Perform analysis of malware and security tools to evaluate capabilities
  • Provide written and oral briefings on assessment results to clients and management
  • Train and mentor junior operators on tools, techniques, and tradecraft
  • Develop scripts and tools to improve operational efficiency

What You Must Have

  • Must be able to obtain and maintain an Active TS/SCI with poly, US citizenship required
  • Bachelor Degree in Computer Science or related field is required or 5 years of direct work experience
  • Minimum of 3 years of related work experience is required
  • Completion of formal offensive cyber operations training
  • Experience conducting network exploitation, penetration testing, or red team operations
  • Proficiency with UNIX/Linux and Windows operating systems
  • Strong understanding of network protocols and packet analysis

What Would be Nice to Have

  • Active TS/SCI with poly
  • Advanced operator certifications or specialized training
  • OSCP, GXPN, or similar offensive security certifications
  • Experience with reverse engineering and exploit development
  • Background in offensive cyber operations or advanced red teaming

Pay Range: At GRVTY, we understand that compensation is influenced by many factors—such as geographic location, federal contract labor categories, wage rates, prior experience, skillsets, education, and certifications.
We're proud to offer a work environment that empowers our team to achieve a strong work-life balance. GRVTY provides competitive pay, comprehensive benefits, and meaningful opportunities for professional growth.
Our benefits package is designed to support the well-being of our employees and their families, and includes coverage in areas such as healthcare, financial wellness, retirement planning, family assistance, continued education, and paid time off.

Maryland Pay Range

$175,000—$250,000 USD

Why Choose GRVTY

The toughest national security challenges demand vision and ingenuity, not just resources. We deliver mission and technical expertise to outpace our adversaries. We're purpose-built to tackle the most entrenched, systemic national security issues around the world.

We partner with our customers to help them overcome challenges in every corner of technology and defense—including the ones still being explored. Our growing capabilities create complementary advantages, giving on-the-ground operations the edge they need to succeed. We muster everything we have to answer every challenge presented, every day of our lives.

At GRVTY, we believe that when our employees thrive, our company thrives. That's why we offer a comprehensive and competitive benefits package designed to support your well-being, growth, and work-life balance.

• Robust health plan including medical, dental, and vision

• Health Savings Account with company contribution

• Annual Paid Time Off and Paid Holidays

• Paid Parental Leave

• 401k with generous company match

• Training and Development Opportunities

• Award Programs

• Variety of Company Sponsored Events

EEO Statement

GRVTY, is an Equal Opportunity Employer.  All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran and will not be discriminated against on the basis of disability.

Anyone requiring reasonable accommodations should email  View email address on us.fitly.work or call View phone number on us.fitly.work with requested details.  A member of the HR team will respond to your request within 2 business days. 

Know Your Rights: Workplace Discrimination is Illegal (eeoc.gov) 

Please review our current job openings and apply for the positions you believe may be a fit. If you are not an immediate fit, we will also keep your resume in our database for future opportunities.

Vacancy posted a month ago
Similar jobs that could be interesting for youBased on the Senior Information Security Engineer, Offensive Security in Columbia, MD vacancy
  • $100k - $330k

    Clarity Innovations is a trusted national security partner, dedicated to safeguarding our...  ....Our mission-first software and data engineering platform modernizes data operations, utilizing...  ...practices. We focus on challenges in Information Warfare, Cyber Operations, Operational... 
    Senior

    Clarity

    Columbia, MD
    1 day ago
  •  ...the ELEVI Team you will need A CURRENT SECURITY CLEARANCE WITH FS IS REQUIRED. A Bachelor's degree in a Qualified Engineering Field is great Fifteen (15) + years of...  ...part of a team • Strong understanding of information security principles and risk assessment techniques... 
    Senior
    Contract work
    Work experience placement
    Local area

    ELEVI Associates

    Annapolis Junction, MD
    2 days ago
  • $170k - $200k

     ...Job Description Job Description Senior Cyber Operator / Developer / Analyst (...  ...Operations / Technical Leadership / Systems Engineering Clearance Requirement: Active TS...  ..., Computer Networks, Cybersecurity, Information Security, Information Assurance, or Network Administration... 
    Senior
    Full time
    For contractors
    Local area

    Intezra, Inc.

    Columbia, MD
    a month ago
  •  ...Job Description Job Description Apogee Global RMS is seeking a Senior Cybersecurity Engineer / Offensive Security Lead to support high‑visibility federal and IC programs. This role is designed for operators who bring hands‑on offensive tradecraft, current certifications... 
    Senior

    Apogee Global RMS

    Highland, MD
    more than 2 months ago
  • $69 - $75 per hour

     ...Title: Sr. Security Engineer Location: Fulton, MD (HYBRID) or Raleigh, NC (HYBRID) Duration: Initial 12-month contract with extensions...  ...Qualifications: Bachelor's degree in Computer Science, Information Security, or related field, or equivalent experience.... 
    Senior
    Contract work
    Local area
    Flexible hours

    INSPYR Solutions

    Fulton, MD
    1 day ago
  •  ...Expression is looking for an experienced Senior Information Assurance (IA) Engineer to lead cybersecurity and Risk Management Framework (RMF) activities...  ...provides technical leadership for RMF implementation, security compliance, vulnerability management, continuous... 
    Senior
    Full time
    For contractors
    Work at office
    Immediate start

    Expression

    Maryland, MD
    23 days ago
  •  ...Job Description 1 Accord Consulting, LLC is a growing information and technology business founded on the basic principle of...  ...our clients, we can address the customer’s mission. Senior Security Engineer Required Qualifications: AD (+10) years of relevant... 
    Senior
    For contractors

    1 Accord Consulting LLC

    Annapolis Junction, MD
    more than 2 months ago
  • $100k - $270k

    Clarity Innovations is a trusted national security partner, dedicated to safeguarding our...  ....Our mission-first software and data engineering platform modernizes data operations, utilizing...  ...practices. We focus on challenges in Information Warfare, Cyber Operations, Operational... 
    Senior

    Clarity

    Columbia, MD
    1 day ago
  • $120.8k - $265.8k

    Job Title: Senior Network Security EngineerJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee...  ...Type of Travel: Local* * *Senior Network Security Engineer - Advance the Mission with CACI!At CACI, we don’t... 
    Senior
    Contract work
    Work experience placement
    Local area
    Flexible hours

    CACI International

    Columbia, MD
    6 hours ago
  •  ...The Johns Hopkins University Applied Physics Laboratory (APL) is seeking a Cyber and Information Systems Security Analyst to design and operate national security systems within classified environments. You will join a team of cybersecurity specialists dedicated to supporting... 
    Senior

    The Johns Hopkins University Applied Physics Laboratory

    Laurel, MD
    4 days ago
  • $197k - $232k

     ...Job Description Job Description Job Description ACTIVE SECURITY CLEARANCE AT THE TS/SCI POLYGRAPH LEVEL IS REQUIRED We are seeking an experienced Information Systems Security Engineer (ISSE) to join our team. In this critical role, you will perform technical... 
    Senior
    Hourly pay
    Contract work
    Work experience placement
    Immediate start
    Flexible hours

    Nyla Technology Solutions

    Annapolis Junction, MD
    1 day ago
  • $133k - $157k

     ...Description Job Description ACTIVE SECURITY CLEARANCE AT THE TS/SCI POLYGRAPH LEVEL...  ...proactive, highly skilled System Security Engineer to join our team in Annapolis Junction,...  ...postures, conduct COMSEC, INFOSEC, and Information Assurance (IA) activities, and calculate... 
    Senior
    Hourly pay
    Contract work
    Work experience placement
    Immediate start
    Flexible hours

    Nyla Technology Solutions

    Annapolis Junction, MD
    7 days ago
  •  ...Job Description Job Description Data Engineer requires: Familiarity with Python, with experience in unit and integration testing...  ...Airflow Strong documentation and communication skills NEEDS SECURITY CLEARANCE At least 9 years experience, but 14+ years of... 

    Globalchannelmanagement

    Columbia, MD
    3 days ago
  • $140k - $170k

     ...determination: Computer Science, Computer Engineering, Software Engineering, Electrical...  ..., Computer Networks, Cybersecurity, Information Security, Information Assurance, or Network Administration...  ...) ~ PTO: 160 hours, increasing with seniority ~12 Floating Holidays ~4 Code Red... 
    Full time
    For contractors
    Local area

    Intezra, Inc.

    Columbia, MD
    a month ago
  • $95.9k - $167.9k

     ...what makes us different and how you can make your mark as a Senior Data Engineer at MMA. Marsh McLennan Agency (MMA) provides business insurance...  ...design patterns. Ensure data quality, integrity, and security throughout the data lifecycle Build, deploy and manage... 
    Senior
    Minimum wage
    Local area
    Remote work
    Night shift

    Marsh LLC

    Columbia, MD
    1 day ago
  • $134.1k - $241.4k

     ...with other threat analyst team members to inform the proactive identification of cyber...  ...This role requires a firm understanding of offensive cyber strategies, adversarial attack...  ...the areas of intelligence, information security, network forensics, insider threat or security... 
    Full time
    Flexible hours

    Parsons

    Annapolis Junction, MD
    6 hours ago
  • $138.1k - $198.2k

     ...wild before they can further harm the internet at large.As a Security Engineer on the Talos Security Operations Team, you will work to...  ...Minimum Qualifications: 3+ years professional experience in information security, with a focus on security engineering, with experience... 
    Permanent employment
    Full time
    Temporary work
    Local area
    Flexible hours

    CISCO Systems

    Fulton, MD
    6 hours ago
  •  ...Johns Hopkins Applied Physics Laboratory (APL) is seeking a Cyber and Information Systems Security Analyst to join our team supporting highly classified networks. You will work with ISSMs, PMs, and PSRs to design and operate secure IT solutions for classified environments... 
    Senior

    Johns Hopkins Applied Physics Lab

    Laurel, MD
    2 days ago
  • $135k - $216k

    ResponsibilitiesPeraton is seeking a Senior Cyber Systems Engineer to support our customer onsite in...  ...Washington D.C.Key Responsibilities include:Secure Requirements & Architecture: Analyze...  ...Engineering, Computer Science, Information Systems, Cyber Security, Engineering... 
    Senior
    Contract work
    Shift work

    Peraton Corporation

    Annapolis Junction, MD
    1 day ago
  • $120k - $180k

    Information Systems Security Officer – Senior Are you looking for the opportunity to utilize your Information Systems experience and be part of a growing and innovative IT Management and Tech Support team? RACTSOL focuses on providing our customers with highest quality... 
    Senior
    Work experience placement

    Ractsol Corp

    Columbia, MD
    a month ago
  • $120.8k - $265.8k

    Job Title: Senior Network EngineerJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with...  ...None* * *The Opportunity:- The Sr. Network Engineer will work within the Network Security Implementation and Sustainment (NSIS)... 
    Senior
    Contract work
    Work experience placement
    Flexible hours

    CACI International

    Columbia, MD
    4 days ago
  • $120.8k - $265.8k

    Join to apply for the Senior Network Security Engineer role at CACI International Inc Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to 10% Type... 
    Senior
    Full time
    Contract work
    Work experience placement
    Local area
    Worldwide

    CACI International

    Columbia, MD
    4 days ago
  •  ...to serve as a critical component of our nation’s safety and security. Make an impact by using your expertise to protect our country...  ...technology into opportunity as a Cybersecurity Systems Engineer/Information Systems Security Engineer (ISSE) with GDIT. A career in enterprise... 
    For contractors
    Interim role
    Summer work
    Relocation

    General Dynamics Information Technology

    Elkridge, MD
    more than 2 months ago
  • $131.3k - $237.35k

    Senior ISSE/Penetration TesterLeidos has an exciting and challenging opportunity for...  ...talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission...  ...and implementing appropriate information security architectures and functionality... 
    Senior
    Full time
    Immediate start
    Flexible hours

    Leidos

    Annapolis Junction, MD
    1 day ago
  • $98.1k - $175.78k

    AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional...  ...development of specialized software.AT&T has an opening for an Information Systems Security Engineer to support information assurance programs and ensure the... 
    Contract work
    Temporary work
    Work at office
    Local area
    Relocation

    AT&T

    Columbia, MD
    4 days ago
  • OverviewInformation Systems Security Engineer (ISSE) LOCATION: Columbia, MDJOB STATUS: Full-timeCLEARANCE: Ability to obtain TS/SCICERTIFICATION...  ...$171KAstrion has an exciting opportunity for an experienced Information Systems Security Engineer (ISSE) to securely engineer... 

    Astrion Group

    Columbia, MD
    4 days ago
  • $120.8k - $265.8k

    Job Title: Information Systems Security Engineer ( ISSE)Job Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: Continental US* * *The... 
    Contract work
    Work experience placement
    Flexible hours

    CACI International

    Columbia, MD
    6 hours ago
  • $101.8k - $193.8k

     ...Sr Cybersecurity Consulting & Microsoft Security Platform Technical Specialist to join...  ...requires both architectural breadth and engineering depth across Microsoft’s Zero Trust security...  ...integration with Azure environments.Information Protection & Data Security: Microsoft... 
    Senior
    Ongoing contract
    Local area

    Microsoft

    Annapolis Junction, MD
    6 hours ago
  • $135k - $216k

    ResponsibilitiesPeraton is seeking a Senior ISSO to support our customer...  ...junior ISSOs and shape security operations playbooksPerform...  ...to leadershipDrive security engineering outcomes by partnering with...  ....8+ years of experience in information security/compliance... 
    Senior
    Contract work
    Shift work

    Peraton Corporation

    Annapolis Junction, MD
    6 hours ago
  • $131.3k - $237.35k

    Leidos has a new and exciting opportunity for a Senior Information Systems Security Officer (ISSO) in our Intelligence Sector, Cyber & Analytics Business...  ...). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software,... 
    Senior
    Full time
    Contract work
    Immediate start
    Relocation package
    Flexible hours

    Leidos

    Annapolis Junction, MD
    1 day ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Senior Information Security Engineer, Offensive Security. Be the first to apply!