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Isso In Jobs in McLean, VA (NOW HIRING)

TM3 Solutions, Inc.

ISSO

Washington, DC · On-site

Minimum 3-5 years of direct experience in federal ISSO duties, cybersecurity documentation, or information assurance support for FISMA Moderate or higher programsNo problems, only solutions!

E Logic

Lead ISSO

Washington, DC · Remote

Participate in DFC governance forums (ERB, CCB, Cybersecurity Steering Committee) * Provide RMF ... Maintain hands-on expertise across ISSO functions Required Qualifications * BS in Computer Science ...

Cherokee Federal

ISSO Lead

Washington, DC · On-site

ISSO Lead The ISSO Lead is a senior cybersecurity governance and risk-management professional ... Bachelor's degree in cybersecurity, information technology, computer science, engineering, or a ...

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Leidos

ISSO

Arlington, VA · On-site

$87K - $157K/yr

Leidos' Digital sector is seeking an IA professional to join our team in Arlington, VA - this position is 100% on-site in a secure environment. The ISSO will be responsible for managing the ...

Leidos

ISSO

Arlington, VA · On-site

$87K - $157K/yr

Leidos' Digital sector is seeking an IA professional to join our team in Arlington, VA - this position is 100% on-site in a secure environment. The ISSO will be responsible for managing the ...

E Logic

Senior/Alternate ISSO

Washington, DC · Remote

Participate in DFC governance forums as required Required Qualifications * BS in Cybersecurity, IT, Computer Science, or related field * 8+ years in federal cybersecurity or ISSO support * 3-5+ years ...

Securepro Inc

Cybersecurity - Lead ISSO

Arlington, VA · On-site

$12K - $15K/mo

Participate in Change Advisory Boards, Change Control Boards, Enterprise Review Boards, and ... Lead ISSO Responsibilities The Lead ISSO will serve as the primary technical lead for the ...

Securepro Inc

Cybersecurity - Lead ISSO

Arlington, VA · On-site

$120 - $190/hr

Participate in Change Advisory Boards, Change Control Boards, Enterprise Review Boards, and ... Lead ISSO Responsibilities The Lead ISSO will serve as the primary technical lead for the ...

Paragon Technology

ISSO Lead

Washington, DC · On-site

ISSO Lead Paragon is seeking an experienced Information System Security Officer (ISSO) Lead to ... in accordance with NIST SP 800-53 Rev. 5. * Support continuous monitoring activities, including ...

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As of Aug 31, 2026, the average yearly pay for isso in in McLean, VA is $119,612.00, according to ZipRecruiter salary data. Most workers in this role earn between $96,000.00 and $139,500.00 per year, depending on experience, location, and employer.

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Senior Information Systems Security Officer ISSO

Annapolis Junction, MD • On-site

Leidos
IT Services • 10K+ employees

8.3

Company rating: 8.3 out of 10

Based on 152 frontline employees who took The Breakroom Quiz

80th of 499 rated business services

People enjoy working here

Good employer

Recommended by students

Learn more about Leidosexternal

$131K - $237K/yr

Full-time

Retirement, PTO

Re-posted 27 days ago

Job description

Leidos has a new and exciting opportunity for a Senior Information Systems Security Officer (ISSO) in our Intelligence Sector, 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 Leidos Pay and Benefits, including 4 or more weeks 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!

This position is eligible for a 15k sign on bonus!

Job Summary:

The Senior ISSO plays a vital role in securing and maintaining the integrity of our information systems through robust security measures and compliance frameworks. This multi-year, high-impact program supports our customer site in Annapolis Junction, MD, focusing on the development, integration, deployment, and sustainment of cutting-edge large-scale collection systems.

As part of this mission-critical contract, you will have the opportunity to work independently, innovate with emerging technologies, and contribute directly to national security. If you're passionate about solving complex security challenges and making a tangible impact, this is the role for you. Your greatest work is ahead!

Responsibilities Include:

  • Enhancing security posture by supporting the program, organization, system, or enclave's information assurance initiatives and enforcing security policies, standards, and methodologies.

  • Overseeing security operations for information systems, managing daily security aspects, evaluating security solutions for classified processing, and conducting vulnerability and risk assessments for accreditation.

  • Managing configuration and system integrity by administering configuration management (CM) for security software, hardware, and firmware, ensuring compliance with security controls, and assessing the impact of system changes.

  • Developing and maintaining security documentation, including System Security Plans (SSPs), Risk Assessment Reports, Certification & Accreditation (C&A) packages, and System Requirements Traceability Matrices (SRTMs).

  • Ensuring compliance with security authorization activities following the Information System Certification and Accreditation Process (NISCAP) and DoD Risk Management Framework (RMF).

  • Providing technical expertise in security policies and operations, supporting the implementation and maintenance of security measures, and collaborating with stakeholders to strengthen the security posture.

  • Driving continuous improvement by assessing existing security processes, identifying vulnerabilities, and implementing proactive solutions to enhance system resilience.

Basic Qualifications:

  • Bachelor of Science degree in Computer Science, Information Assurance, Information Security, or a related discipline, plus 12+ years of relevant experience. In lieu of a degree, an additional 4 years of experience may be considered on a case by case basis.

  • Industry Expertise:7+ years of ISSO experience supporting IC or DoD programs and contracts of similar scope, type, and complexity.

  • Experience with customer Info Security tool suite

  • Certifications & Compliance: DoD 8570 compliance with IAM Level II or IAT Level III (CASP, CISSP, or Associate).

  • Clearance Requirement: Must hold an active TS/SCI with Polygraph.

KQW

conmd

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:August 5, 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 $131,300.00 - $237,350.00

The Leidos pay range for this job level is a general guideline onlyand 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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About Leidos

Sourced by ZipRecruiter

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainable practices. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Reston, VA, US

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