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ISSO - CI Poly Required

📍 Mc Lean, Virginia, 22102, United States

Technology TEKsystems

Job Description

DescriptionAs an Information Systems Security Officer II (ISSO), your focus will be on Government System Authority to Operate (ATO) support. You will be responsible for guiding government clients through the intricate process of obtaining and maintaining ATO certifications for their information systems. You will leverage your expertise in government cybersecurity standards and regulations to monitor, analyze, and respond to potential security incidents and threats. Your role will ensure that our government clients' systems meet the stringent security requirements necessary for ATO compliance while aligning with government-specific cybersecurity guidelines.Collaborate with government clients to thoroughly understand their system architectures, security requirements, and objectives for achieving and maintaining ATO status within the context of government regulationsConduct exhaustive security assessments and risk analyses that cater to government system compliance, identifying vulnerabilities and potential threats specific to government systemsMonitor security systems, logs, and network traffic with a keen focus on government cybersecurity guidelines, identifying any suspicious activity, intrusions, or unauthorized access attemptsCollaborate closely with cross-functional teams to establish and maintain government-aligned security measures, including firewalls, intrusion detection systems, data encryption, and access controls.Investigate and analyze security incidents to determine their cause, impact, and appropriate response.Develop and implement incident response plans, including containment, eradication, and recovery strategies.What you’ll need to succeed:Active TS//SCI clearance with CI poly7+ years of experience as a cybersecurity analyst with a specialization in Government System ATO support, demonstrating deep knowledge of government ATO principles, methodologies, and tools.Strong experience in government regulatory frameworks, compliance requirements, and security standards specific to ATO (e.g., NIST SP 800-53, RMF, ICD 503, FISMA, FedRAMP, overlays).Demonstrated and repeat experience achieving and maintaining ATO for data and application solutions in the cloud from IL5 to IL6+ on NIPR, SIPR, and JWICS.Expertise with government specific ATO assessment tools such as XActa and eMASS, vulnerability scanning tools, and intrusion detection/prevention systems.Effective communication skills, with the ability to convey complex technical concepts to both technical and non-technical stakeholders.CISSP or equivalent certification to support DoD 8140 requirements· This position requires an active DoD Clearance (Secret, Top Secret, Top Secret/SCI) or the ability to be obtain an (Interim Secret, Interim Top Secret) · Because an active or interim DoD clearance is required, U.S. Citizenship is requiredJob Type & LocationThis is a Contract position based out of Tysons, VA.Pay and BenefitsThe pay range for this position is $75.00 - $90.00/hr.Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following:

• Medical, dental & vision • Critical Illness, Accident, and Hospital • 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available • Life Insurance (Voluntary Life & AD&D for the employee and dependents) • Short and long-term disability • Health Spending Account (HSA) • Transportation benefits • Employee Assistance Program • Time Off/Leave (PTO, Vacation or Sick Leave)Workplace TypeThis is a fully onsite position in Tysons,VA.Application DeadlineThis position is anticipated to close on Mar 11, 2026.h4>About TEKsystems:

We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company.

The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

About TEKsystems and TEKsystems Global Services

We’re a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. We’re a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. We’re strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. We’re building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

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Job Details

Posted Date: February 27, 2026
Job Type: Technology
Location: Mc Lean, Virginia, 22102, United States
Company: TEKsystems

Ready to Apply?

Don't miss this opportunity! Apply now and join our team.