Xacta Information Systems Security Engineer

TEKsystems is seeking an Information System Security Engineer to support a government program on site at Stennis Space Center. This person will need experience doing RMF Accreditations in the IC community utilizing Xacta.

Requirements:

- 5+ years of experience supporting cybersecurity accreditation, authorization, or compliance activities for federal or classified environments

- 5+ years of experience with Xacta governance, risk, and compliance (GRC) tools such as Xacta 360 or legacy Xacta IA Manager, including development or maintenance of RMF or authorization packages

- Experience supporting the full RMF lifecycle, including categorization, control selection and documentation, assessment support, authorization, and continuous monitoring

- Experience developing and maintaining cybersecurity documentation such as SSPs, control narratives, POA&Ms, contingency documentation, and configuration management documentation

- Experience working with vulnerability data, compliance results, or evidence to support ongoing authorization and monitoring activities

- Knowledge of NIST SP 800-53 Rev. 4 or Rev. 5 and general federal cybersecurity control implementation practices

- Ability to translate technical system architecture, infrastructure design, and operational details into clear compliance documentation

- TS/SCI clearance

- HS diploma or GED

- DoD IAT or IAM II Cybersecurity Workforce Certification such as CompTIA Security+ Certification

Nice to have:

- Experience processing RMF packages in Xacta GRC tools for Department of Navy information systems

- Experience with cross domain solution (CDS) technologies, configurations, and security mechanisms

- Experience with Everfox CDS technologies and related authorization or security mechanisms

- Experience supporting Navy-specific cybersecurity policies, training requirements, systems, or workflows

- Experience supporting classified cybersecurity documentation in SCI or SCIF environments

- Knowledge of JWICS security requirements and IC overlay requirements

- Knowledge of Apache NiFi, including relevant components and configuration considerations

- Knowledge of NAVINTEL assessment and authorization processes, business rules, or CDS overlay requirements

- Bachelor’s degree in Cybersecurity, Information Systems, CS, Engineering, or a related field

Skills

xacta, Rmf, Risk management, Emass, Information assurance, Cissp, Nist, Security policy, Ts/sci, Security, Information security, Systems security, Cyber security, Cissp certification, Active secret clearance, Vulnerability, Siem, Nessus, Incident response, Vulnerability assessment

Job Type & Location

This is a Contract position based out of Kiln, MS.

The pay range for this position is $70.00 - $80.00/hr.

Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors.

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)

This is a fully onsite position in Kiln,MS.

This position is anticipated to close on Sep 18, 2026.

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.

San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.