Personnel Security Specialist/Administrator: We have an exciting opportunity for a Personnel Security Specialist within our Personnel Security (PERSEC) Team. The PERSEC teams conduct personnel security processing actions enterprise wide. The PERSEC teams work in concert with Contract Security Officers (CSOs) and Facility Security Officers (FSOs), who together work with our government clients, employees and candidates to obtain or maintain government clearances, classified space and system access as well as provide other essential security services for the Amentum business areas. As a PERSEC Specialist, you will work independently and interdependently within the PERSEC Teams to initiate clearance actions, periodic reinvestigations, crossovers; conducting clearance checks, review and process Security Pre-Screen checks, Visit Authorization Requests, CAC’s, fingerprint processing, answering questions received from applicants, employees, customers, and other duties as assigned. Roles and Responsibilities: - Initiate security background investigations and processing for different security clearance types/levels (T3, T3R; T5, T5Rs) utilizing DISS, NBIS, and using the Fillable SF86 version for certain Agencies - Initiate processing actions for positions requiring Suitability requirements (National Agency Check (NAC), Tier 1; Background Investigation (BI), Moderate Risk Background Investigation (MBI), High Risk Background Investigation, Moderate Risk Positions of Trust (MRPTs), Position of Public Trust. Process Common Access Cards, Homeland Security Presidential Directive-12 (HSPD-12) - Work closely with FSO’s/CSO’s and other Security Representatives - Coordinate with OPM regarding personnel investigations for completion of clearance processing - Conduct quality control review of investigation packages (Questionnaire for National Security Positions SF86, 85, 85P’s, etc.) to ensure they are complete and accurate prior to submittal - Assist employees/candidates with security paperwork - Process and submit SF4311 for clearance actions - Submit CSR’s, request reciprocity within DISS - Initiate, process and submit Sensitive Compartmented Information (SCI) Packages and Special Access Program (SAP) Packages - Process fingerprints through Secure Web Fingerprint Transmission (SWFT) as applicable and or our third party vendor - Track and Maintain clearances in DISS and NBIS (until transition is complete) - Create and maintain records in the Amentum Security Database of Record (Gateway) - Conduct clearance checks utilizing DISS - Review Security Pre-Screen Forms as applicable - Familiarity with PART 147 – Adjudicative Guidelines for Determining Eligibility for Access to Classified Information under TITLE 32 - National Defense. Subtitle A - Department of Defense - Process outgoing visit requests and certifications - Other duties as assigned Minimum Requirements: Secret Clearance Familiarity in the use of DISS and NBIS High School Degree or GED with 2+ years of Personnel Security or Security experience Required Skills: Experience processing SF86’s (via e-APP and the fillable versions 2008 and 2016) Proficiency with software applications such as MS Office, Outlook and Adobe Pro Excellent interpersonal skills be a self-starter and possess the ability to work independently in a fast-paced team environment with a “no fail” mentality Strong commitment to excellence and continuous improvement Ability to effectively manage individual workflow Communicate effectively both orally and in writing Ability to interact positively with all individuals either in-person, over the phone or via teleconferencing applications. Ability to use discretion when handling sensitive personal information Compensation Details: $33.65 The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws. Benefits Overview: Our health and welfare benefits are designed to support you and your priorities. Offerings include: - Health, dental, and vision insurance - Paid time off and holidays - Retirement benefits (including 401(k) matching) - Educational reimbursement - Parental leave - Employee stock purchase plan - Tax-saving options - Disability and life insurance - Pet insurance Note: Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits. Original Posting: 04/21/2026 - Until FilledAmentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting. This timeline may change based on business needs. Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed, marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal laws and supplemental language at Labor Laws Posters.

Enterprise Solutions and Management (ESM) is a rapidly growing government contractor that provides strategic IT services that meet mission needs for Defense and Federal customers. We are hiring an Operational Technology Security Engineer for an exciting remote opportunity. Job Description and Responsibilities Provides support on specialized information assurance challenges within operational technology (OT) environments by executing a range of routine project tasks. Integrates OT processes and methodologies with information systems to address complex system-wide and cybersecurity-related issues. Evaluates and analyzes information security requirements while applying structured, analytical approaches to improve workflow, organizational efficiency, and planning. Contributes security engineering expertise across the full system lifecycle, including planning, design, development, testing, demonstration, and integration of OT systems. While this is a remote position, the client stipulates that all candidates must live within 50 miles of one of the following: Battle Creek, MI Columbus, OH Dayton, OH Ft. Belvoir, VA New Cumberland, PA Ogden, UT Philadelphia, PA Richmond, VA Required Knowledge, Skills and Abilities (KSA) - Expertise in OT communication protocols (e.g., Modbus/TCP, EtherNet/IP, IEC 61850, DNP3, BACnet) and industrial networking - Strong understanding of OT environments, including SCADA, ICS, DCS, PLCs, HMIs, RTUs, and field devices - Knowledge of secure OT network architecture, including segmentation, firewalls, IDS/IPS, and monitoring solutions - Experience with secure remote access and maintenance practices for OT systems - Proficiency in OT cybersecurity frameworks and compliance standards (e.g., NIST CSF, ISA/IEC 62443, NERC CIP, DoD requirements) - Experience with vulnerability management, including assessments, scanning tools (e.g., ACAS, Nessus, Qualys), and POA&M tracking - Ability to perform OT risk assessments and implement risk-based mitigation strategies aligned with operational constraints - Experience with system hardening, patch management, configuration baselines, and change management processes - Capability to develop incident response plans, conduct forensic analysis, and deploy/tune OT security monitoring solutions - Strong analytical, reporting, and communication skills, including developing cybersecurity documentation, dashboards, and executive briefings Desired KSA - Be a positive, self-motivated, and proactive person with the ability to adapt to change and tolerate stressful situations - Candidate must communicate effectively with team members, team lead, management, and government customer - Must have the ability and desire to research and develop creative solutions to unique problems with minimal supervision Minimum Training, Education, and Certifications - Seven (7) years experience - IAT II or higher certification - ICS300, relevant operation technology or ICS certification - Forescout DLA Computing Environment Minimum Clearance - Secret Physical Requirements - Required to stand, walk and sit; communicate verbally both in person and by telephone; use hands to finger, handle or feel objects or controls; reach with hands and arms. Specific vision abilities required by this job include close vision, distance vision, depth perception, color vision and the ability to adjust focus. - Physical demands associated with this position include extensive walking (including stairs) throughout offices and between buildings. May require use of public transportation, personal or Government vehicle to drive to local and/or remote office locations Additional Requirements - Other duties as assigned ESM provides equal employment opportunity to all individuals regardless of race, color, creed, religion, gender, age, sexual orientation, national origin or ancestry, disability, genetic information, veteran status, gender identification or any other characteristic protected by state, federal or local law.

• Develop open-ended questions and answers based on hypothetical cyber incident scenarios to evaluate test subjects, focusing on coherence, justification, and technical soundness.

• Articulate Cobalt’s product vision and roadmap to technical and executive stakeholders. • Translate complex technical capabilities into high-level business value and ROI for customers and prospects. • Serve as the executive sponsor on high-value enterprise deals, building peer-to-peer relationships with prospect CISOs to overcome technical and strategic objections. • Advise enterprise customers on integrating Cobalt’s findings into their security program and DevSecOps workflows. • Partner with Sales Enablement to train our go to market team on the 'CISO Mindset' and how to sell Cobalt’s unique value proposition. Create appropriate content and training materials. • Act as a trusted advisor to enterprise customers, helping them evolve from periodic compliance driven testing to continuous, attacker informed security through the Cobalt Offensive Security Platform. • Act as a spokesperson for Cobalt at conferences (RSAC, Black Hat, OWASP) and in top-tier media outlets. • Work with marketing to author whitepapers, blogs, and research reports that utilize Cobalt’s unique dataset and expertise • Host executive roundtables to foster a community of forward-thinking security leaders. • Act as a 'Voice of the Customer' back to our Product and Engineering teams, ensuring our roadmap aligns with the evolving customer needs • Bring back feedback from the field on new product/feature ideas to product management.